Questions tagged [materials]

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Can you provide me with advice for choosing appropriate materials for rebuilding the roof over my dug well?

My water supply is an 18' dug well with 24" inside diameter. The top of the well casing is below grade and within a 4' x 8' block foundation, about 3'6" deep. The well, pump and pressure ...
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1 vote
2 answers
28 views

What should I use for a smooth surface wall board for quilting layout?

For purposes of laying out a quilting project, I want to use an approx 4' by 7' wall space. I have a large piece of thin fabric that is tacky on both sides. One side goes against the wall and stays ...
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1 answer
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Ash/soot test after a fire

Pardon me if this is not a correct community to ask this question. My town was affected by the recent Marshall wildfire in CO. Some streets are gone, it's surreal here. Our street is saved, but there ...
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5 votes
1 answer
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two-part fastener for right-angle wood connections

I have some furniture which is missing a screw/nut pair used for fastening two pieces of wood together at a right angle. The screw is 45mm long and 5mm wide, and it's paired with some kind of nut with ...
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1 answer
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Glue for sticking wool to wool? [closed]

Can anyone recommend glue for sticking wool to wool? This is for a small, stationary, non-load-bearing, long-term application for an indoor, non-heated environment. I would be willing to pay more for ...
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3 answers
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Which door is strongest?

I'm comparing two security doors. The first option is aluminum: It uses Meshtec which from what I've read is pretty much impossible to get through. However, from what I've read, aluminum is a lot ...
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Making a custom bathtub, using fibreglass and a suitable high-strength smooth coating

The problem I'd like to fit a custom quite sizeable (2000 x 1100 x 550 ish) bathtub. The room won't take anything except custom, which is either horribly expensive or self-made, so I'm looking ...
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4 answers
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What type of string lasts in strong UV and pool environment?

I need to use a string near or in a pool for one summer. It has to last strong summer heat (TX), sun, UV rays, and pool chlorine. My chlorine dispenser float keeps going next to the skimmer area. Some ...
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2 votes
1 answer
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What are these very heavy blocks found on my family's property?

I need help identifying these blocks found on my family's property, which was a 17th century farm house in Virginia. The blocks are 8.75" long, 4.5" wide, and 5" high and weigh 58 lbs.
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-1 votes
1 answer
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Is it feasible to still have wooden elements with possible termite threat

I'm planning on getting a house built and I would like to incorporate a good amount of wooden elements similar to japanese house designs but I'm worried of possible termite infestation. Is it feasible ...
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What is this floor material consisting of soft fibrous material covered by matte black layer?

We are renovating an apartment in a house in Germany built in 1957. I am unsure what kind of floor construction I am looking at. The concrete floor is covered by a soft brown fibrous layer about 1.5 ...
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Cedar shims disappeared because of COVID-19

I've been hunting for contractor quality cedar shims - the super-wide kind that easily break along the grain. The big box stores don't have them and neither do the local lumber yards. At one of them I ...
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1 vote
2 answers
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Can a triple stud be replaced with a thinner, stronger material?

We have a galley kitchen and our fridge takes up a lot of room when the door is open. I'd like to recess it back into the wall using some empty space in the dining room directly behind it. However ...
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1 answer
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2a modified crushed stone vs minus gravel

What is the difference between 2a modified crushed stone and minus gravel? I understand that both are crushed stones and both have finer particles. Do they come from different species of stones? What ...
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Are there any new and/or innovative quality countertop products on the market? [closed]

Are there any new and/or innovative quality countertop products on the market that are easier to work with and not as heavy as quartz? For example, something like NSF certified "richlite" ...
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1 answer
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Which material for a sink bucket? [closed]

I'm thinking about making a small sink for my DIY lab. Since there is no running water or drain, I was thinking about something similar to a camping sink like this one. I'd make some modifications (e....
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1 answer
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Is screw/nut zinc vs zinc plating as advertise or a manufacturer shorthand?

I bought a set of machine screws and nuts which say "zinc" on the product. I also bought a box of locknuts from a different manufacturer which says "zinc plated" on it. Is the box ...
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Safe wrapping for fiberglass around pipes?

If I wrap pipes with fiberglass for insulation but I'm worried about the health risks of exposed fiberglass, is there something that I could wrap around the fiberglass? If so, what and why?
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Using radiant barrier to keep a room warm [closed]

I have been told (including in comments by awesome user Unslander Monica) that a foil sheet placed on the interior side of an air-sealed window can help prevent radiative heat loss through that window....
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1 answer
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Window film affixed to the wall around a window?

Useful related questions: here, here. I live in an apartment with a window that I want to insulate during the winter. I am currently using one of those shrink film kits and it seems to be working. ...
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0 votes
3 answers
188 views

Deck the halls with bubble wrap?

In order to insulate a room, would it make sense to apply a layer of bubble wrap to my walls/ceiling? What about some other material like mylar or foylon? What major factors would affect the answer to ...
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Wool batting window quilt? [duplicate]

Would it make sense to use wool batting like this as a window quilt? Why or why not? What factors would affect its suitability? For context, I propose using this on the inside of one of those shrink ...
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1 answer
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Aerogel winter window quilt?

Would it possibly make sense for me to use aerogel as a seasonal window quilt? It may depend critically on some other factors; if so, what are they? In particular, I have heard that aerogel designed ...
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1 answer
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How does denim insulation perform at low ambient temperatures?

I am interested in how denim insulation like this performs at low ambient temperatures. Does anyone know? I am most interested in performance measures like R-value and what other factors affect this. ...
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1 answer
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how can edpm or a rubber like material be attached to pvc board?

Considering using 4 pvc boards for dug well cover. Need a sealing layer to keep water out. A mastic might work too.
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1 vote
1 answer
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What type of insulation/sheathing material is this?

I have a house that was originally built in Chicago in 1954 that had an addition put on in the 90's. The original roof and part of the original exterior was built over is now visible in the attic of ...
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2 votes
5 answers
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How should I deal with pine needles falling from tree onto roof? [closed]

I live in a 100 year old house with an addition on the back. We have a pine tree that is hanging over the addition. The roof and sky lights are leaking. The rest of the roof is ok. We want to just ...
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1 vote
2 answers
74 views

what material could I use for a mirror that allows light to pass through [closed]

I am creating a smart mirror by constructing a frame where a monitor sits right behind a mirror. I tried using a regular mirror but the mirror did not allow enough light to pass through to see the ...
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0 votes
4 answers
813 views

Heat and water safe material for internal dishwasher repair

On the inside of my dishwasher is a plastic tube that transports water to a spinning piece in order to clean the upper rack. Part of the plastic tube has melted through and the top rack is no longer ...
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1 vote
0 answers
176 views

Desk stress with grommet holes

I'm looking to make a desk for myself. For the surface, I'm planning on using an oak kitchen surface (either 30mm or 40mm thick) and I'll have 4 60mm holes cut to support desk grommets for cables, ...
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0 votes
1 answer
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Transparent material like two-way mirror for specific colour

I really like the idea of smart mirrors, using a two way mirror with a monitor behind it to provide information on the mirror and make it look like a regular mirror when the monitor is turned off. Are ...
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2 votes
3 answers
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Why are "horseshoe" shims shaped the way they are?

Here's an example of the type of shim I'm referring to: They are sold marketed for various uses - tile spacers, leveling window or door frames, etc. They are non-tapered. Its not clear to me why ...
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What is this metal material?

I’m running some networking cable from my attic to my basement (only going through one main level). The best place to run the cabling takes me through an old covered up door (closet) frame on the way ...
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6 votes
3 answers
4k views

Does RTD in plywood mean "Rated" or "Resistance Temperature Detectors"?

Lots of plywood at Home Depot have the letters RTD in the title, with no further detail. Many of these have multiple user questions of the form "What does RTD mean?" Answers seem to be split 50/50 ...
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1 vote
1 answer
153 views

Are there screws made of materials that should not be exposed to heat, smoke or propane?

I've been assembling a propane barbeque grill that came in a box. It came with an exact variety and number of screws to be used in assembly. But it's actually missing one screw. I found an old screw ...
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3 votes
1 answer
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Material Identification: Bath tub front cover

While renovating a bathroom in a quite old house in germany, we removed the cover holding the tiles on the front side of the bathtub and could not clearly identify the material. It seems to be ...
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3 votes
1 answer
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What is this soft plastic like material that has been added to the window, and how best to remove it?

The previous owner added this soft, plastic like material to the window frame and I'd like to remove it. I can get parts off with a knife, and when I do it is flexible and soft. I believe this is ...
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-2 votes
1 answer
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What does "34 mill by 34 mill timbers" refer to in the video i have linked to

In this YouTube tutorial about sound proofing the host Refers to 34 mill by 34 mill timbers. you'll see this framework that runs all the way around up, that's just a soft wood frame attached ...
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-1 votes
2 answers
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What material should I use to make this element

How make this in a space of 7.5m length x 2.5m breadth?
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0 votes
4 answers
187 views

Is there a building material that can be cut and glued, can be used outside, and provides good insulation?

I'm trying to make a pet house but I'd rather deal with something warmer than wood. Bonus points if it's light and easy to cut. See this question for project details.
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Building square tapered porch columns that won't rot

I have 4 columns originally built with 7 ply plywood and some are starting to rot. I've rebuilt one with cedar but am looking for a material that will last even longer without breaking the bank. The ...
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3 votes
3 answers
259 views

What is this roof constructed from?

I am trying to answer questions about the construction of a roof and was wondering if it is possible to tell from the picture attached, and if so what the construction is? EDIT: The roof is difficult ...
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0 votes
2 answers
671 views

Material lighter than concrete for planters?

I'm trying to build several 24"x 24" square planters with each wall 1.5" thick, similar to the following picture. The issue is that each one of these planters will weigh at least 200 pounds (without ...
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1 vote
1 answer
538 views

Can I replace just part of a 1x6 roof deck with OSB?

Redoing Roof, Roof Decking is 1x6 inch planks, and some OSB so the sheathing is mixed materials. Is it ok to replace the lower half of the roof with 3/4 or 1/2 inch plywood and keep the top half ...
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0 votes
2 answers
1k views

Material that lets air and sunlight in & keeps rain out?

I have a small open area, it's like a small balcony. The issue is that I get wet when it rains. I ended up buying a regular tarp that covers this open area, and it works well. The issue is that this ...
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-1 votes
1 answer
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What material are Velux FSCC room darkening solar blinds made out of?

I had some new skylights installed, which included the installation of some double-pleated Velux solar blinds. I'm pretty sure the Velux website says that all of their blinds are made out of fabric, ...
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1 vote
2 answers
91 views

The structural integrity of a backyard structure

I need a shed, but I really don't want to put a standard-looking shed. I would like something that's pleasing to the eye and fits my property. In addition, I thought it would be cool to have a second ...
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-1 votes
1 answer
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Cheap material for stiff, thick, lightweight, insulating walls?

I want to construct a large water tank. The walls need to be fairly thick (several centimetres) very stiff (they will be decoratively plastered inside and out and the plaster should not crack) ...
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-1 votes
1 answer
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How to avoid mouldy properties?

I've been wondering if there is any way to recognise materials/home designs which may mean the growth of mould in a house? For normal properties, simply opening the window during a shower prevents ...
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0 votes
0 answers
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Can anyone identify this material? Having a hard time cutting it using a bi-metal hole saw

My FIL gave it to me, said he found it in when he was cleanig out an old cabinet shop. It's a very hard composite material of some sort. Fine-grained and powdery when I drilled a hole in it, the "...
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