What does Boulder, Colorado have to deal with like Florida?
No, winter seems quite distinct in both states.
What’s common are the high winds. While Boulder, Colorado has never needed to endure a hurricane, both states do need to cope with with destructive winds. Finding the right roofing material for a Boulder, Colorado home means acknowledging the risk of high winds, even those that reach hurricane strength.
How Boulder Wind Affects a Roof
A simplistic view of wind on a roof says a gust of wind just picks up fiberglass-asphalt composite shingles and rips them away. This is called uplift, and it’s also a problem. It’s not the only problem with winds, however. Wind additionally causes pressure differences, which can turn a roof into a wing. Here the pressure on top of your roof suddenly drops compared to the pressure in your loft, as well as the house itself pushes against the roof up.
Wind may also take airborne branches and debris that act like missiles.
No matter the material that ultimately surfaces your roof, you need to take into account all the layers beneath, and all the fasteners atop . You can use even, or metal, composite shingles real or ceramic tiles, as long as the prevailing winds are not stronger in relation to mechanical fasteners.
The best roofing material for high winds come from every angle and will be one that works perfectly with a complete roofing system, since the hidden forces start inside your loft.
What Lies Beneath The Top Roofing Material
The remainder of your roof is not protected, if that is not protected. Topping the sheathing is underlayment and water /ice shield. The underlayment covers the entire roof; ice shield is a thicker, heavier fabric rolled out along valleys and along the bottom several feet of your roof and ridges. Underlayment is normally stapled on. Most water/ice shield is self adhesive.
Atop the underlayment you will see your finished roof material. The most effective roofing material is neither waterproof nor wind-resistant if the layers beneath are not waterproof and firmly attached.
- Nailing patterns and number of nails per shingle
- Nail length (including the suggestion not to make use of 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 selecting fiberglass-asphalt shingles (composite shingles). Search for Class F ratings, so you understand the composite shingles withstand 110 mph winds for just two hours.
A lower rating, Class D, carries just the assurance the shingle defied 90 mph winds for up to two hours.
Composite Shingles for roofing in Boulder
Major producers set their shingles through torturous tests to know they are going to pass the ASTM Category F rating, and that means you know the adhesive strips, the nailing patterns along with the built-in strength of the fiberglass-impregnated asphalt shingle will hold up well in the high Boulder, Colorado winds.
Metal roofing is extremely wind resistant if correctly installed. However initially a lot more costly than composite shingles, alloy may be the very best roofing material for your situation if:
- More than 20 years, you plan to keep your home
- You are assembling new
- You’ve some worry about fire along with winds
Like perpendicular seam panels, with metal roofing, the mechanical fastening is of extreme importance in holding powerful even against 160-mph winds. Uplift problems could be addressed by noticing the merchandise’s evaluation results for ASTM standard E1592 and UL evaluation 580. & Nbsp;These tests ensure your Boulder, Colorado house’s metal roof WOn’t blow off from a hurricane-degree pressure difference where high wind rate lowers your house and the pressure ’s higher pressure pushes up in your roof. Conversely, powerful gusts that use enormous loads back on the metal WOn’t appreciably affect metal roofing of a gauge adequate to pass ASTM E1592.  or UL 580;
Tile in Boulder
Ceramic and concrete tile, installed correctly and with the mechanical fastenings that are right to pass building code, may also resist high winds. They cannot easily defy the airborne debris, such as tree branches or alternative building parts that may be thrown up by sudden wind gusts. Ceramic and concrete tiles shatter from blunt force impact, while metal dents and composite shingles may dent, crack, or dislodge, so other options may be the very best roofing material.