Get matched with top roofers in West Bend, IA

A roof pitch multiplier is an accurate way to calculate roof square footage, and it’s handy for purchasing the correct amount of materials. To determine your roof pitch multiplier, you'll need to calculate the roof slope, square it, and add it to 144. Next, find the square root of the total and divide it by 12. The answer is your roof pitch multiplier. Once you know the roof pitch multiplier, multiply it by the total square feet of your building to determine the total roof surface area.

Yes, an underlayment is required for metal roofs, especially when installed over an indoor residential living space. This underlayment acts as a protective barrier between the metal roofing and the roof deck. Common materials include tar, asphalt felt, or woven synthetic polymers. Depending on local building codes, existing shingles in good condition may also suffice. A quality underlayment is crucial as it provides protection against water intrusion, improves energy efficiency through insulation, helps absorb sound, and ultimately extends the lifespan of your roof.

Roofing jobs can be expensive due to the required materials and the dangerous nature of the labor. The cost to repair a roof ranges from $390 to $1,920, with an average cost of $1,150, depending on what kind of roof you have and any accessibility concerns. Replacing a roof is much more expensive at $5,890 to $12,800.

If you live on the West Coast or anywhere with the threat of wildfires, you likely want to take steps to fireproof your home. Besides waterproofing and life span, rubber roofing also is noted for being fire resistant. Consult a professional roofer for details on what type of roofing would be best for you if fire resistance is a priority.