Black metal roof — bad idea? - Green Building Advisor
网页burninate | Jan 31, 2020 04:34am | #1. Black means extreme heat means maybe the paint wears out and flakes off in fewer decades than it would have. Might pay off to make sure it's a decent metal underneath (Galvalume) to protect against corrosion, or it might be dry enough in your area that this isn't important.
How to Choose a Metal Roof - GreenBuildingAdvisor
网页2019年9月13日 — Metal roofing is available in a range of styles — from several kinds of standing seam to a variety of stamped metal shingles that look like slate, clay tile, and even asphalt. Paint and stone coatings are more sophisticated and more durable, giving roofing a very long service life while appealing to homeowners with a variety of aesthetic ...
Staying Cool with a Metal Roof - GreenBuildingAdvisor
网页2012年5月21日 — David Martin is troubled by some of the advertising claims he’s seen about metal roofing, specifically a statement from the Metal Roofing Alliance that a “cool metal roof can save 25% in energy costs compared to a dark grey asphalt shingle.”. “I’ve searched around the Internet and found a lot of the industry’s advertising,” David ...
Preventing Roof Algae - GreenBuildingAdvisor
网页2023年4月28日 — Leachate from galvanized flashing prevents the growth of roof algae. This roof has three rectangular vent penetrations. The one on the left has painted steel flashing which has no effect on roof algae. The two penetrations on the right are flashed with unpainted galvanized steel; metal ions leached from the flashing's zinc coating prevent …
The Best Way to Keep Your Attic Cooler is to Change Your Roof …
网页2015年8月26日 — Nope. The topic that really gets readers hyperventilating is powered attic ventilators (PAVs). Some people swear it’s the best way to keep their attic cool and reduce air conditioning costs. Apparently they haven’t seen the research about what works better than PAVs without the drawbacks.
Zone 6: A straight forward and affordable metal roof assembly…
网页2024年8月7日 — Currently the plan is a standing seam black metal roof. The attic will be a vented 8/12 pitch with somewhere between R40 & R50 blown in insulation. A vapor smart membrane (Intello) will be installed behind the finished ceiling. For the roof, do we need a rainscreen like the siding walls or would it be enough to use something like Dorken’s ...
Metal roof and condensation - GreenBuildingAdvisor
网页2018年11月13日 — The roofer recommended the rainscreen to provide a channel to have the roof dry in case of condensation. The roof is vented in the attic with ridge vents and at the soffits with soffit vents. The roof was screwed down every 12 inches with clips through the mesh and underlay, and no sealant was used on the screws that were used to screw …
Designing a Low-Slope Roof That Works - GreenBuildingAdvisor
网页By Scott Gibson | November 9, 2015. Starting point for a low-slope roof: Kevin Hoene's original plan for the low-slope roof on his new home in Illinois. He asks for guidance as he wrestles with details for insulation and roofing materials. If only Kevin Hoene’s choices for a new roof boiled down to a choice between an EPDM membrane and metal ...
How to Retrofit a Roof with Insulation - GreenBuildingAdvisor
网页2011年7月11日 — He intends to do the work himself. As GBA senior editor Martin Holladay points out, Buckley is in Climate Zone 5, where code requires a minimum of R-38 ceiling insulation. “That amounts to about 7 1/2 in. of XPS foam or about 6 in. of polyiso foam,” Holladay writes. “Or you could use about 12 inches of fiberglass batts.”.
How to Choose Black Siding - GreenBuildingAdvisor
网页2019年10月22日 — If you want to paint your siding a dark color, select the material carefully. Design trends for siding seem to be steering away from muted, neutral colors into either pure white or rich, saturated and dark tones—including pure black. Bold cladding choices can make the architecture appear more dramatic, but there are some things to be aware of ...