Questions tagged [materials]

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202 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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0answers
121 views

House davit? Do they exist?

On boats there is a often a boom with a winch called a "davit". It is essentially a sort of crane that allows things to be loaded on and off the boat. Houses do not seem to normally have davits, even ...
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70 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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0answers
79 views

What materials can be used for moving shower walls?

I am currently thinking about a good shower solution for a very small, very old flat. As it is so small and in the top floor (hence: problems with the pitch of the roof, like on this image) I cannot ...
1
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0answers
74 views

What is a good plastic to use for lite milling?

I want to do some lite milling with a drill press and XY vice using plastic. I am looking for a cheap easy to machine plastic. I have dealt with these guys for aluminum, but not plastics. I don't know ...
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0answers
24 views

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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11 views

Impact of small gaps in insulation on conductive and radiative heat loss?

When insulating a room , what is the effect of small gaps in the insulation on the degree of conductive heat loss? On radiative heat loss? What other major factors affect the answer? (I presume that ...
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0answers
61 views

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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32 views

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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76 views

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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158 views

What is the best material for the pivot in a pivoting base?

I will have a pivoting base with 3 fixed casters and a pivot in place of the fourth. I'm having trouble trying to come up with a easy to setup and no maintenance pivot. The weight requirements are not ...
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72 views

Identify this roofing material

Is this torchdown? Modified bitumen? Or something else?
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638 views

Permanent greenhouse structure materials

I'm planning a permanent greenhouse structure that will be attached on one wall to my house. The estimated size will be about 16ft wide, 45ft long, with the lowest wall being approximately 9ft tall ...
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39 views

How Do I Tell What My Wall's Infill Is?

I live in a house that I can hang pictures on the interior walls, but if I try and put a nail in an outer wall, I can't. I assume that means my walls use some type of infill. In order to hang ...
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2k views

Using 1" black iron pipe as a hydronic radiator, how many feet of pipe would I need to heat a 500ft^3 room?

I guess industrial is hip these days. Or maybe it's just me. But I'm thinking of making a snaking heater/towel warmer for my bathroom remodel. How many feet would I need, and how is this calculated? ...
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67 views

Are Gemini Harmonie tiles and Gemini Ceramic Pool tiles safe to use for an outdoor mosaic?

Are Gemini Harmonie tiles and Gemini Ceramic Pool tiles safe to use for an outdoor mosaic? I can't find much information about them online.
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1answer
61 views

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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1answer
69 views

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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2answers
101 views

Where can I buy home improvement materials and supplies in my community?

I'm new to Home Improvement. I've been planning to start (slowly) finishing my basement myself. The first thing I need to do is tear down the existing ruined insulation and replace it. I'm trying to ...