Aluminum Foil On Doorknobs

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FAQ

Our end unit 1940"s row house has an old leaking bitumen roof . The water entry point can not be found so a replacement seems the way to go. A roofer suggested a replacement using Firestone 180, 1/2 inch fiberboard insulation covered with fiberglass base sheet, bitumen for flashing and fibered aluminum coating on wall coping . It's all Greek to be but fiberboard insulation and flashing material ? Should I be concerned?

We use kingspan insulation, marine grade plyboard , 3/4 inch, and yes you can use bitumen as flashing. I hope i am not being condescending, but the flashing is the bit that goes from the roof and a little way up the wall and is then "pointed" into the bricks, thus forming a water-proof barrier.

Have a patio with metal roof, gets very hot during summer. Will Great Stuff insulate and stick to hot roof during summer? Thanks

Great Stuff (and similar products) stick to just about anything...and with vengeance. If you haven't used it ever, DO NOT let it get on anything else: it is the nastiest. To your Q; It's possible to cut this stuff after it dries up, but still would look like crap. Get some sheets of 'blue board' (an extruded polystyrene) and cut it to fit around structural members. Cuts with a hand saw, knife, and is easy to work. There's a glue for it but I haven't used it on all surfaces. It would look far better than Great Stuff alone.

I have an apartment building that has mold in it. I'm trying to do everything I can to increase the airflow. Sure, the tenants might have to spend a mint on heat, but if it improved the air quality, maybe it would be a good idea.

mold needs moisture to start/grow. find out why there's moisture and fix that first. Just creating more air flow won't stop the mold from growing and it won't necessarily make the air quality better if mold is growing in the walls. since you said it was roof insulation, (I'm gonna assume you meant attic) check the roof for leaks. I wouldn't think you'd have to get rid of all the insulation but I'd definately get rid of anything moldy. Blown in isulation is fairly cheap to replace. Lowe's sells a mold test kit, not sure how it works but I saw them yesterday when I was in there. Might be worth looking into getting one.

im thinking of putting rolled felt paper under my metal roofing would that work instead of the reflective insulation instead?

Probably could, but it would look like crap. Painting the roof white would do a better job of keeping the metal cooler. I'd install a ceiling fan in the center of the roof instead to force the hot air out.

If I insulate my roof, should I put in those plastic vents that go between the studs for air flow? I would like to use it for a work shop and probibly have some kind of heat source. i live in Northern Alberta.....

You will normally install both insulation and a vapor barrier, like a house, these go above the ceiling, but NOT the underside of the roof. Yes you should install vents, you need the air movement.

My new room is an addition to a mobile home, and has a single-layer metal roof. I have 3 "main" concerns. What are the cheapest and/or most effective ways of eliminating them?1. No heat insulation- cold air sinks from the roof to my room, and my warm air rises to the roof and cools.2. Condensation forms on the inside and drips occasionally. My computer, bike, and downhill boards are in here!3. It seems like bugs could easily get into my room, but that's just a suspicion.

You really need a correct "building paper" under the iron. It is aluminum with a tar sandwiched between...You can also use plastic sheeting as a vapor barrier..

attic is 400 sq ft.there are 4 round 6'' Vents in soffit,and 2 roof vents-12"x12".Rock wool,blown in,R/30 NO VAPOR BARRIER.Why the mold?no gable or ridge vent either.How do i fix this?There are baffles in attic,rafters are not blocked.

is your HVAV unit in the attic?Is the moisture coming from it? Also-ridge vents help allow proper ventilation.

i have about 200 sq ft of odd shaped polystyrene foam (rigid) insulation between 3" and 5" thick. it's leftover from installing a flat roof on a commercial building. creative ideas anyone? grind it and use it as attic insulation in a home?thanks.

Hey, Why not just sell the leftovers and make some dough instead? You can list them on craigslist or OKorder. Just a suggestion :) Regards, J