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3
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2answers
2k views

Will silicone spray lubricant cause bare dry wood to swell?

If wooden parts are binding, will silicone spray lubricant cause bare dry wood to swell? The wood is not maple or oak or birch. It is some type of softwood, maybe fir or pine. The bearing surfaces ...
1
vote
1answer
508 views

Should I use silicone caulk on the side of a deck ledger?

I have a deck ledger attached to the rim joist (the vinyl siding was cut away), and some flashing above the ledger. On the side of the ledger there is a gap between the end of the 2x10, and the ...
2
votes
0answers
54 views

Tub surrond caulking question

My contractor just completed replacing the tub surround. the walls are tiled from the tub to the ceiling. A few things I'm not too sure about, and would like to get some opinions. The contractor ...
1
vote
0answers
27 views

Someone with a Durometer please advise me regarding Shore A values?

I need to buy some silicone around 30 - 40 Shore A units of rubber softness. It's for vibration dampers in a home engineering project. Online it only says that an average school rubber is 40A, ...
0
votes
0answers
45 views

Fill/seal large gap around shower base

We just bought a new house and I noticed the shower is leaking. I went to reseal the shower with a silicon based sealant, but then noticed that the gaps are pretty large. Along one side, between ...
0
votes
0answers
42 views

what is air permeability of silicone caulk?

What is the air permeability rating of silicone caulk? (say, GE Silicone II). I see that at building science there is a listing of various building materials and their permeability ratings, but it ...