One-and two-component foams can be an ideal, cost-effective alternative to reroofing.
By Juan Sagarbarria
Whether it is tiles or a roofing system protecting them, roof substrates depend on a layer of protection to deflect damage issues. High winds, heavy rains, even hail damage are significant factors that threaten the longevity of the tile or the roof system and, by default, the integrity of the building. Eventually, the building owner will have to address this, which is why he might find it viable to take matters into his own hands when repairing a roof that has sustained significant damage.
It usually benefits the building owner to find a permanent fix rather than a temporary one, which is why he’d probably mull the option of reroofing rather than patching up the problem areas of the roof. However, what if the patching materials are so efficient, that they fix the problem altogether? Isn’t that a much more reasonable and less time-consuming solution than a large-scale retrofit? Case in point: Companies like Touch ’n Seal offer polyurethane foam-based products that present long-term effective solutions for roof patching and repair.
FOR SPRAY FOAM ROOFS
Spray foam roofs can be extremely durable, yet they still need maintenance from time to time. Since maintenance is a gradual necessity, most manufacturers provide warranties to ensure that the lifetime of the roof is extended. Unfortunately, this is not always the case and, further, warranties do not last forever. Instead of a recoat or a reroof, Touch ’n Seal provides a much simpler solution with their Foam Kit 120. The Foam Kit 120 is a closed-cell foam, self-contained dispensing system designed for use in repairing spray foam roofs. When used according to the manufacturer’s directions, this system supplies high-compressive-strength, 3.0 PCF two-component polyurethane spray foam. When applied, it expands to fill small to large gaps, cracks, and holes while providing a high R-value to the building.
“Low pressure Foam Kit 120 is a portable system that can easily be transported onto a roof,” says Jonathan Fore, Marketing Manager for Touch ’n Seal. “It is a higher-density foam that provides durable insulation. It is used to repair foam blisters in spray foam roofs, fill pitch pockets, create and fill parapet corners, and fill around protrusions such as ventilation stacks and piping.”
The Foam Kit 120 is assembled with pre-connected chemical hoses and disposable, pressurized chemical cylinders to dispense polyurethane spray without the need of external air compressors, dry nitrogen, or pumping equipment. It contains no ozone-depleting chemicals and it provides a permanent installation, meaning the foam will not shrink or settle once it is applied. Fore notes that due to its high density, the foam safeguards the roof from high wind damage, as well as provides hail-resistant structural integrity. In addition to these benefits, the Foam Kit 120 is compatible with other SPF installations, so it can be sanded flush with existing SPF roof surfaces. The system does not require expensive maintenance and it is cost-effective, which eliminates significant investments. Touch ’n Seal’s Foam Kit 120 satisfies the testing criteria for density conforming to ASTM D1622 and the testing criteria for compressive strength conforming to ASTM D1621.
FOR CLAY AND CONCRETE TILE ROOFS
Polyurethane foam can even save your clay or concrete roof. Extreme conditions like wind uplift, hail, and rains can either damage roof tiles or cause them to loosen and fall off, leaving the substrate exposed to damage. This is the case in which polyurethane foam-based adhesives such as Touch ’n Seal’s Storm Bond™ Roof Tile Adhesive can save the day. Whether it is a new installation, a re-roof, or a repair scenario, this high-performance, one-component polyurethane foam adhesive securely attaches flat-, low-, medium-, and high-profile clay and concrete roof tiles to numerous types of roof substrates.
“This foam adhesive stops the creation of more ways for water, moisture, and air to penetrate the building,” says Chuck Bahuriak, Sales Manager of Touch ’n Seal’s Specialty Markets.
Without the need for hammering or driving screws, Storm Bond minimizes tile breakage. This polyurethane foam adhesive consists of a lighter material, offering a superior bond strength compared to traditional methods such as mortar or nailing. Contractors also appreciate its good yield and ease of use.
“Foam adhesives are superior in every way to mortar and nails or screws,” says Fore. “When you have a chance to work faster and produce a better result, you take it.”
Perhaps the strongest benefit of the Storm Bond is that it mitigates wind uplift. Under normal conditions, roof tiles adhered with Storm Bond may be walked on in two hours, with full cure taking place within 24 hours of application. It is an ideal product for installing cut tiles at roof hips, eaves, rakes, and valleys.
Roofing contractors should consider the use of Touch ’n Seal’s polyurethane-based products because of their ability to bolster rooflines and protect them from high winds while reducing work time since disposable cans and cylinders eliminate long set-up and cleanup times. •
Phone: 855-336-9555 / 800-325-6180