Structure above the floor joists and below any finished flooring.

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3answers
75 views

How to remove tar left over from old floor carpet?

Redoing bathroom floors and under the tiles there was really old carpet. I was able to remove the upper layer of it, but there is a tar-like substance stuck on the wooden floor that is very difficult ...
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2answers
46 views

What type of subfloor should be used for Engineered hardwood flooring installed on grade concrete slab?

I would like to install engineered hardwood flooring over a concrete slab which is on grade. It is the first floor of the house, there is no basement and the house was built in the 1990's. I have seen ...
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2answers
83 views

What kind of screws are used for plywood subflooring?

I have removed the old bathroom lino and cleaned the parts that adhered to the floor. I want to screw down the existing plywood subfloor because the nails are old (45yrs) and sparse. What kind of ...
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2answers
102 views

Does it make sense to put quality (=pricy) underlayment over 3/4“ subfloor+1/2” extra plywood layer?

I have standard subfloor + 1/2" plywood on top, to correct for joists going different directions, so that all hardwood boards can be laid one direction for a clean look and avoid sagging where they ...
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2answers
191 views

How should I install flooring over fresh concrete?

I have fresh concrete poured in my basement. Planing to use Metrofloor Engage Select vinyl plank for most of the floor. Contemplating ceramic tile for the bathroom if vinyl is not good enough for ...
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2answers
84 views

Bathroom remodel

I am in the process of redoing my upstairs bathroom. I would like to tile the bathroom floor. I have a tile-redi shower pan for the shower floor. Q1: Do I need to put a moisture barrier over the wood ...
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1answer
36 views

slanted deck that was enclosed and needs to be leveled

Hello everyone I am new to this so I apologize if I seem a little slow mentally. I have a 104 yr old home that at one point had a deck that was completely enclosed. my issue is that the floor was ...
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1answer
45 views

How do I replace rotten Subfloor under a supporting post

Rotten Subfloor goes under support post of my lanai Roof. Best recommendation so far is to cut 3/4 inch thick end off a 2x4 (post is a 4x4) hammer under one side, scrape/chisel out other side of ...
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1answer
92 views

Can I install T&G Bamboo floor over a sagging subfloor?

The subfloor dips about an inch on one axis across the middle of the room. Structurally, I think this is due to old and rectified foundation issues. Since the dip is just 1-dimensional, can I install ...
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1answer
420 views

How should I build a base floor for a large summerhouse?

Hi my question has 2 parts about piles and creating a subfloor. I want to install a 4.8x4.8m (~16'x16') summerhouse; its existing floor is 24mm (~1") floor boards on 75x50mm (~"2x3") floor posts. I ...
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0answers
35 views

Floor Makes Metal Clang When Walked On - One Room

We have a 3 bedroom, 2 bathroom house. The whole house has hard-wood flooring. One bedroom on the corner of the house has a floor that sounds hollow... When walked on it makes a loud clanging sound... ...
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0answers
37 views

Floor advice - gaps, leveling, sound improvements and materials

I am a new homeowner and thus new avid DIY enthusiast :) We recently had a new radiator installed and relocated, and had to remove all the existing materials. This is what I discovered (see image) ...
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0answers
15 views

Floor filler cracking out

I have a situation where a wood sub floor meets concrete and the filler between the 2 keeps cracking out, any suggestions on what I should be using?
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0answers
634 views

What kind of subfloor do most people use these days?

I've been reading tons on how to do a subfloor for my basement and I don't seem to be getting any closer to an answer. So far it looks like there are 4 ways to do this: (I'm stealing a good part of ...
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0answers
26 views

How level does a wooden sub-floor need to be to put down engineered hardwood flooring?

We did a house expansion that pushed the walls out approximately 6' on 3 sides of a room. We built the foundation wall for the new floors to be 100% level but the old floors were not level in all ...
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0answers
20 views

vapor barrier between sub floor?

A friend and myself are building a cabin in southern california. It doesn't snow often where it is located. The cabin itself is setup on a post foundation and we are almost finished with the ...
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0answers
27 views

What type of soundproofing does floormuffler offer over a concrete floor?

My mom has a 2nd floor condo and has bought laminate flooring and I'm voluntold to install it. I'm curious if anyone has experience with cork and floormuffler (and similar products) on cement floors, ...
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0answers
70 views

Can I shave off half an inch of a crowned up 3 by 6" floor joist?

My subfloor is sloping up because of an very crowned up floor joist in the middle of the house. The house is build on footings, and floorconstruction is accessible from underneath. The footings are ...
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0answers
17 views

Tongue and groove subfloor

We are installing tongue and groove subflooring in a small (5' x 10') entryway. The base is cement, the subflooring is plywood with a plastic-like grid on back. Do we glue these down?
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52 views

Raise cupboard floor (under stairs)

We have a 1930s terraced house in London (UK) with a small cupboard under the stairs, its floor space is about 80cm x 190cm. The floor of this area is around 80cm lower than that of the hall that runs ...
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0answers
57 views

How should I install a tongue and groove subfloor over ceramic tiles?

I am really new and not sure what I am doing to be honest. I am laying down a t&G subfloor over ceramic tiles to protect them(I am leasing a store front, owners would like to keep the tiles ...