What exactly does Westminster, Colorado have in common with hurricane prone states?
Definitely not the winters. No, winter seems really distinct in both states.
What is common are the high winds. Both states do need to cope with with damaging winds while Westminster, Colorado has never needed to endure a hurricane. Determing the best roofing material for a Westminster, Colorado home means recognizing the risk of high winds, even the ones that reach hurricane force.
How Westminster Wind Affects a Roof
This really is called uplift, which is a problem. It is not the sole problem with winds, though. Pressure differences, which can turn a roof into a wing are also caused by wind. Here the pressure on top of your roof suddenly drops compared to the pressure in your attic, and also the house pushes against the roof up.
Wind shear is another problem, where a sudden gust of wind at a right angle to the prevailing wind direction can attack a roof with surprising strength. Wind may also carry airborne branches and debris that behave like missiles.
Regardless of the stuff that ultimately surfaces your roof, you need all the attachments atop, and to take into account each of the layers underneath , that surface. You could use metal, composite shingles, or even ceramic or real tiles, as long as the prevailing winds are not stronger than mechanical fasteners.
The best roofing material for high winds will be one that works perfectly with a roofing system that is complete, since the unseen forces start inside your attic and come from every angle.
What Lies Beneath The Top Roofing Material
A typical roof starts with sheathing, the oriented strand board (OSB) or plywood that is physically attached to your home’s rafters. The rest of your roof isn’t protected if that’s not safe. Topping the sheathing is underlayment and water /ice shield. Underlayment is usually stapled on. Most water/ice shield is self adhesive.
Atop the underlayment you will see your finished roof material. The best roofing material is neither waterproof nor wind-immune in the event the layers underneath aren’t watertight and securely attached.
- Nailing patterns and amount of nails per shingle
- Nail span (including the idea not to use staples)
- Using 30-year shingles rather than 20-year shingles
The American Society for Testing and Materials (ASTM) tests and evaluations for sustaining high winds, D3161, provides you with some comparison yardstick for choosing fiberglass-asphalt shingles (composite shingles). Look for Class F evaluations, so you know the composite shingles withstand 110 mph winds for two hours.
Class D, a lower rating, carries only the assurance that the shingle withstood 90 mph winds for up to two hours.
Composite Shingles for roofing in Westminster
Leading manufacturing companies set their shingles through torturous tests to understand they will pass the ASTM Category F evaluation, which means you understand the adhesive strips, the nailing patterns and also the inherent strength of the fiberglass-impregnated asphalt shingle will hold up well in the high Westminster, Colorado winds.
Metal roofing is exceptionally wind resistant if properly installed. However initially much more expensive than composite shingles, metal may be the best roofing material for your scenario if:
- More than 20 years you want to maintain your house
- You’re constructing new
- You’ve some worry about fire in addition to winds
Such as perpendicular seam panels, with metal roofing, the mechanical fastening is of extreme importance in holding powerful even against 160-mph winds. Uplift issues might be addressed by noticing the merchandise’s test results for ASTM standard E1592 and UL test 580. & Nbsp;These tests ensure your Westminster, Colorado house’s metal roof WOn’t blow off from a hurricane-degree pressure difference where high wind rate lowers the pressure and your home ’s higher pressure pushes up on your own roof. Conversely, powerful gusts that use tremendous loads down on the metal is not going to substantially change metal roofing of a gauge sufficient to pass ASTM E1592.  or UL 580;
Ceramic in Westminster
Ceramic and concrete tile, installed correctly and with the mechanical fastenings that are right to pass building code, may also resist high winds. Concrete and ceramic tiles shatter from blunt force impact, while metal scores and composite shingles may dent, crack, or dislodge, so other options may be the top roofing material.