FAQS

Frequently asked questions

Q: Can Lanco® Roof Coatings be applied directly on nailed down underlayment? No roofing?


A: No. Unfortunately our products are not a substitute for conventional roofing.




Q: Can Lanco® Roof Coatings be sprayed on?


A: Yes! We recommend that you use an airless pump with pressures of 1500-2000 PSI. A fluid delivery of 1-2 gallons per minute with a spray tip size of 0.026 – 0.035 will be adequate. The hose should be at least 3/8th inch inside diameter, and should be of the high pressure rated type. If the hose length is more than 50 feet, a larger inside diameter will be required. Additionally remove all filters.




Q: Can Lanco® Roof Coatings be used on RV’s, Mobile Homes, Campers?


A: Yes!! Coating your RV, Mobile Home or Camper, will greatly decrease interior temperatures! For added adhesion we recommend Lanco's Aqua-proof Primer. Please refer to Aqua Proof Primer's Technical Data Sheet for more information.




Q: Does Lanco® Roof Coatings work on driveways, decks, etc?


A: Due to our roof coatings waterproofing properties, they are not suitable for foot traffic.




Q: Can Lanco® Roof Coatings be used on a new pressure treated deck?


A. Our Roof Coatings are not recommended for foot traffic.




Q: Can Lanco® Roof Coatings be used over previously coated roofs?


A: Generally our coatings are suitable over any other water-based coating. But we recommend that you test adhesion and compatibility prior to coating.




Q: Can Lanco® Roof Coatings be used on exterior walls ?


A: Technically you can, but we recommend Lanco's Dry Coat Paint which is designed for waterproofing vertical surfaces.




Q: Can Lanco® Roof Coatings be applied on Shingle Roofs.


A: No, we do not recommend our products be applied over Shingle roofs.




Q: Can Lanco® Roof Coatings be applied on Rubber Roofs?


A: For Rubber Roofs we recommend using Lanco's Aqua-proof Primer for best adhesion and preparing the surface before the application of our Lanco Roof Coating. Please refer to our Aqua Proof Primer's Technical Data Sheet for more information.




Q: How do Lanco® Roof Coatings hold up to cracking and splitting?


A: Great!!! Our products our 100% Elastomeric.




Q. Can Lanco® Roof Coatings seal joints of corrugated fiberglass roofing?


A: To seal joints, seams and cracks we strongly recommend Lanco’s Aqua-Proof Prep. Then apply one coat of Lanco’s Aqua-Proof Primer to prepare the surface before the application of Lanco® Roof Coating, let it dry 24 hours.




Q. Can Lanco® Roof Coatings be applied on motorhomes?


Our Coatings have outstanding adhesive properties over a wide variety of substrates, assuring many years of solid protection on surfaces such as: Modified asphalt membranes, Built-up roofs, Polyurethane foam, Concrete, Aged galvanized metals and Aged EPDM. We strongly recommend using Aqua-Proof Primer to prepare the surface before applying our roof coating on surfaces such as plastic, TPO or New EPDM.




Q. Is this product approved for use on shower pan membrane?


For this type of application we recommend Lanco Aqua-Proof Prep, our elastomeric waterproofing and crack prevention membrane. This helps provides protection under tiles in wet areas such as bathrooms and balconies.




Q. How are your Roof Coatings applied?


To apply the Lanco Roof Coatings, use a 3⁄4”nap rough surface roller or airless spray to apply two perpendicular coats of product, allowing 24 hours between each coat.




Q. I have a flat roll roofing. Will this work to help protect and help with cooling. How much do I need for 300 square feet?


A: Yes Lanco® Roof Coatings will extend the life of your roof for many years, also turn down the temperatures up to a 13 degrees fahrenheit reflecting the UV rays of the sun. Our Roof Coatings cover 50 sq.ft. per gal, one coat. We recommend two perpendicular coats of product, allowing 24 hours between each coat. On a roof with an area of 300 sq.ft. you need 12 single gallons or 2 buckets and two gallons.