Ads
related to: asphalt shingle roof cleaning products algae treatment cost estimate template- Get A Quick Estimate
Just enter your zip code to get
started & receive a fast free quote
- Browse Our Pro Directory
Enter your zip code & browse our
directory of reviewed, local pros.
- Search By Category
Select a category to find pros.
Read reviews & hire with confidence
- How It Works
Tell us about your project. Get
matched with the best pro for you.
- Get A Quick Estimate
Search results
Results from the WOW.Com Content Network
Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function. [2] Algae and other types of build-up often form on the north and west parts of roofs that are shaded or receive less sun, and can reduce a ...
Soft washing is a cleaning method using low pressure water. More recently, the term "softwashing" has been used to describe any form of spraying chemicals at buildings where solutions (typically sodium hypochlorite based softwashing chemicals) are used to remove mildew, bacteria, algae and other organic stains from roofs and other building exteriors.
However, coating asphalt shingles and built-up composition roofs requires more caution. The National Roofing Contractors Association ’s (NRCA) director of technical services has stated "The roofing industry is aware of a number of issues that could have negative consequences for field application of coatings over asphalt shingle roof systems.
Per 2003 International Building Code Sections 1507.2.1 and 1507.2.2, asphalt shingles shall only be used on roof slopes of two units vertical in 12 units horizontal (17% slope) or greater. Asphalt shingles shall be fastened to solidly sheathed decks. Shallower slopes require asphalt rolled roofing, or other roofing treatment.
Chip seal products can be installed over gravel roads to eliminate the cost of grading, road roughness, dust, mud, and the cost of adding gravel lost from grading. Adding chip seal over gravel is about 25% of the price of resurfacing with asphalt, $170,000 for a 4-mile project done in Minnesota [6] compared to $760,000 had it been redone with ...
Stone slabs require a very heavyweight roof structure, but their weight makes them stormproof. An obsolete roofing material, now used commercially only for building restoration. Collyweston stone slate named after the village of Collyweston; Solar shingle; Metal shakes or shingles. Long life. High cost, suitable for roofs of 3:12 pitch or greater.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
[4] [5] The company introduced the first ready-to-lay asphalt roll roofing product, known as “Ruberoid,” in 1892. [5] [6] The Ruberoid product was further enhanced in 1898 when ceramic granules were added to Ruberoid rolls to increase durability and fire resistance. [5] The company subsequently changed its name to The Ruberoid Co. in 1921 ...
Ads
related to: asphalt shingle roof cleaning products algae treatment cost estimate template