Latest threads in Insulation

Finally figured out why my sub-roof was stained

Spent the last weekend checking out the damp spots on my flat roof sheathing. I was convinced it was a busted piece of...

3 1w

Mike_Moss

3 1w Mike_Moss

Finally finished prepping the attic and learned a lot

Spent the last couple of days getting the attic insulation started. The house is older, and the previous owners relly d...

5 1w

tlowry

5 1w tlowry

How I finally figured out the gray loose-fill in my old attic - steps that actually worked

Spent last weekend poking around my folks' place (built 1957) trying to ID the same kind of dark gray fluffy insulation...

3 1w

ridge_keeper_1968

3 1w ridge_keeper_1968

Cape Cod attic with no soffit vents - foam it shut or figure out venting first?

Trying to sort out my upstairs before winter and I keep getting conflicting answers. It's a Cape with the finished half...

6 2w

arrow_crest_1959

6 2w arrow_crest_1959

How I foamed my block wall bays without pulling the framing out

Did almost exactly this in my basement a couple years back, and the framing stayed put. Cut rigid foam sheets so they f...

4 2w

Cal_Drift_1953

4 2w Cal_Drift_1953

How do I figure out how much more insulation I need to hit R-60?

Finally getting around to topping up my attic and I want to do it right this time. Problem is I have no clue how deep t...

3 2w

DuskHawk

3 2w DuskHawk

Can I stuff this space with rock wool insulation ?

So I've got this awkward gap between the top of my basement wall and the floor joists, right where the old duct trunk u...

6 2w

dusk_nomad_1950

6 2w dusk_nomad_1950

Tips for air-sealing an attic that already has blown-in insulation

I did this job myself a couple summers back on a house with an old layer of fiberglass sitting over some even older loo...

3 2w

MapleOwl_1951

3 2w MapleOwl_1951

Is air sealing really necessary before adding attic insulation?

So we just had an energy audit done on our place and the guy flagged the attic as a big source of heat loss. Old farmho...

3 2w

zinc_lynx62

3 2w zinc_lynx62

A quick guide to blowing cellulose around recessed lights

Did this whole exercise at my place a couple years back, so here's what I wish someone had told me up front. Look insid...

3 2w

RoverGranite

3 2w RoverGranite

How I insulated my bare brick walls behind drywall - what actually worked

Early 70s house here in zone 5 too, and I chased this same problem room by room for two winters before I found a setup...

4 2w

JuniperHand

4 2w JuniperHand

Is it worth insulating a return duct that runs through my attic?

Spent the last month air sealing and topping up the blown-in insulation in my attic, and now that everything else is bu...

6 2w

FlintLynx_1960

6 2w FlintLynx_1960

Tips for choosing between rockwool and high density fiberglass that nobody talks about

Been through this decision on my last two builds and helped a buddy with his, so here's what I learned the hard way. Th...

4 3w

Lee_Basalt

4 3w Lee_Basalt

Left my insulation rolls outside in the rain and they turned out fine

Sharing this in case anyone else ends up in the same spot. I ordered batts for my garage ceiling and the delivery drive...

5 3w

BasaltWalker679

5 3w BasaltWalker679

Tips for updating 1960s attic insulation that nobody talks about

If you're stuck deciding between pulling old layers out or just stacking new batts on top, bite the bullet and do the f...

5 4w

Rob_Stone

5 4w Rob_Stone

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