GBA Pro help

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Can a combination of blue Dow board plus blown cellulose work well in an attic? 1 1 day 4 hours ago
by Paul Hanslik
16 hours 51 min ago
by Martin Holladay, GBA Advisor
Flashing Details for Panel Siding 4 2 days 10 hours ago
by Pete Archer
1 day 13 hours ago
by Pete Archer
Insulating and protecting an existing brick wall 8 4 days 11 hours ago
by Amy Rancier
3 days 5 hours ago
by William Geary
Zone 5 - Vapor Retarder on ceiling of indoor swimming pool 5 5 days 8 hours ago
by Lisa Goodman
4 days 20 hours ago
by Andy Parkinson
R-value v thermal mass 20 2 weeks 2 days ago
by David Epley
5 days 5 hours ago
by Elizabeth Kormos
Kitchen Island Hood problem 2 2 weeks 3 days ago
by Andrei Sosnovsky
2 weeks 2 days ago
by Andrei Sosnovsky
Spray foam insulation in rafters above exisisting blown cellulouse in ceiling 1 2 weeks 2 days ago
by steve miller
2 weeks 2 days ago
by Martin Holladay, GBA Advisor
Does anyone have any experience or hear of magnesium oxide structural insulated planels? 4 2 weeks 2 days ago
by mike keesee
2 weeks 2 days ago
by Nathan Spriegel
Undocumented Search Feature 2 2 weeks 3 days ago
by John Brooks
2 weeks 3 days ago
by John Brooks
I’m working on the design of a two story house in Climate Zone 5 10 2 weeks 5 days ago
by Linda Gatter
2 weeks 4 days ago
by John Brooks
I have a 50 year old home with a vented slate roof. The HVAC system is in the attic. 1 2 weeks 6 days ago
by Charles Garbett
2 weeks 5 days ago
by Martin Holladay, GBA Advisor
Daylight Wanted 2 3 weeks 1 day ago
by David McNeely
3 weeks 13 hours ago
by James Morgan
Wondering about best (cold climate) strategies for insulating a floor system built on a pier foundation 5 3 weeks 5 days ago
by Micah Whitman
3 weeks 4 days ago
by Martin Holladay, GBA Advisor
Retrofit help 2 3 weeks 5 days ago
by John Rockwell
3 weeks 4 days ago
by Martin Holladay, GBA Advisor
Advice on proposed zone 6 wall assembly 2 4 weeks 1 day ago
by tom ruben
4 weeks 15 hours ago
by Martin Holladay, GBA Advisor
Venting REMOTE insulated walls 5 4 weeks 3 days ago
by Harry Seidel
4 weeks 3 days ago
by Nathan Spriegel
Attempting chainsaw/PERSIST retrofit... Help? 9 5 weeks 23 hours ago
by Satoshi Yano
4 weeks 6 days ago
by Martin Holladay, GBA Advisor
Wall detail - Canadian Cold Climate 8 7 weeks 5 days ago
by Brian Krmpotic
7 weeks 1 day ago
by Lucas Durand - 7A
Solving issue of frost/moisture on inside of drywall -- Insulators' proposed solution 10 7 weeks 3 days ago
by Brian S.
7 weeks 2 days ago
by Martin Holladay, GBA Advisor
Rigid Foam Polystyrene under Wood Floating Floor 11 7 weeks 3 days ago
by Mary Ostberg
7 weeks 2 days ago
by aj builder, Upstate NY Zone 6a
Tub with shower surround installation 1 7 weeks 5 days ago
by Thomas LaCrosse
7 weeks 5 days ago
by Martin Holladay, GBA Advisor
Chimney problems 16 8 weeks 3 days ago
by Robert Post S.E. Pennsylvania Zone 4a
8 weeks 12 hours ago
by Martin Holladay, GBA Advisor
Floating plywood floor on rigid foam insulation on concrete? 11 8 weeks 3 days ago
by Philip Koepf
8 weeks 3 days ago
by Dave Cummings
Wood shingles nailed through 1-1/2" Styrofoam 4 9 weeks 2 days ago
by Peter Fusaro
9 weeks 2 days ago
by John Brooks
In a home with a copper roof, island location, off the east coast. Is grounding of the roof advisable? 2 9 weeks 6 days ago
by Stephen B
9 weeks 3 days ago
by Daniel Morrison, GBA Advisor
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