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Piwoslaw · 11-09-10, 07:09 AM

I haven't given up!!

Here are more pictures of the hatch. Notice how thin it is. It is a wooden board, covered with fiberglass on the inside and a sheet of metal on the outside, so it's only about 4-5cm thick.

I decided that the best way to insulate the hatch would from the outside. I contacted a roofer because he would do at least twice as good as I would. He added 10cm od dense styrofoam on the outside, put metal around the perimeter, and stuck an asphalt shingle on top to waterproof it. Much better than I'd do.

Other than being much thicker, it's also heavier, making a better connection with the seals. If this new insulation will totally stop condensation, then maybe a could still use the inside hatch I made last year to reduce heat loss even more.

11-09-10, 07:09 AM	#7
Piwoslaw Super Moderator Join Date: May 2009 Location: Warsaw, Poland Posts: 961 Thanks: 188 Thanked 110 Times in 86 Posts	I haven't given up!! Here are more pictures of the hatch. Notice how thin it is. It is a wooden board, covered with fiberglass on the inside and a sheet of metal on the outside, so it's only about 4-5cm thick. I decided that the best way to insulate the hatch would from the outside. I contacted a roofer because he would do at least twice as good as I would. He added 10cm od dense styrofoam on the outside, put metal around the perimeter, and stuck an asphalt shingle on top to waterproof it. Much better than I'd do. Other than being much thicker, it's also heavier, making a better connection with the seals. If this new insulation will totally stop condensation, then maybe a could still use the inside hatch I made last year to reduce heat loss even more. Attached Images