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Waterproofing Essentials: Which Type of Sealants Should You Utilize?

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Waterproofing is an important requirement to any commercial roof.. Without it, it’s possible for roofs to leak–or worse, break down–due to water damage, and those in Hammond are no exception.

Waterproofing a commercial roof structure is exceedingly important in Hammond, Indiana, where the average number of days with precipitation is 118. That’s 18 days more than the national average. Nevertheless, it is encouraged that you allow a professional to handle your waterproofing project. If not performed properly, you could have a roof with a great deal of potential problems, which can result in enormous repair costs.

In waterproofing a commercial roof, a liquefied sealant is typically used. The sealant could be produced from certain products, and acquainting yourself with them will help you to have a clear idea of waterproofing. Right here are several of the most widely-used kinds liquid sealants.


Tar is obtained from the distillation of trees and roots, and has been used extensively for centuries to waterproof not only roofs, but boats and ships as well. There are a number of roofing tar products in the market, and each has a set of instructions so it could be applied effectively. Generally, tar is applied simmering hot onto the roofing, and as you can visualize, the procedure can be appallingly messy. Ideally, waterproofing tar really should be applied during the summertime since tar spreads more conveniently in hot weather conditions.


Ethylene propylene diene monomer, or EPDM, is a synthetic rubber commonly utilized to waterproof roof coverings. It is considerably more powerful than average rubber. It can easily be stretched way longer, and it comes back to its normal size without any type of indication of deformation. For professionals in commercial roofing Hammond citizens recommend, EPDMs could be splashed onto a roof or applied in slabs of differing thickness.

Modified Bitumen

Modified bitumen is derived from asphalt. To make this item, asphalt is blended with atactic polypropylene or styrene butadiene styrene. Typical application of modified bitumen resembles the application of tar: it is mopped onto the roofing. Nevertheless, in many parts of the USA, modified bitumen is torch-applied. Hammond roofing modified bitumen products are generally sold as smooth-surface roof waterproofing products, although granule surfaces are also available.

Whatever roof waterproofing product you apply, the most crucial thing is to find a reliable commercial roofer Hammond locals count on. Ascertain to receive warranty for both labor and products. Find out more regarding waterproofing a commercial roof structure at


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  • Posted On August 8, 2012
  • Published articles 10

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