Professional roof waterproofing for Markham property owners. Lapolla Industries delivers lasting results with industry-leading SPF technology.
Ponding water destroys conventional roof waterproofing because standing water attacks seams and coating adhesion. Our SPF-based waterproofing systems in Markham are engineered to handle indefinite ponding — the silicone topcoat does not re-emulsify, soften, or deteriorate in standing water.
In Markham, IL, the difference between a spray foam job that lasts and one that fails comes down to the contractor. Lapolla Industries applies the same quality standards to every roof waterproofing project that earned us a reputation as one of the nation's most trusted SPF specialists — proper surface prep, correct foam thickness, and factory-specified coating application.
Every roof waterproofing project we complete in Markham is backed by both manufacturer material warranties and our own workmanship guarantee. We document every step with photos and measurements, provide you with a detailed project report, and remain available for warranty service and maintenance throughout the life of your SPF system.
Our proven process ensures quality results on every spray foam project.
Before any work begins, our certified inspectors evaluate your property and provide a comprehensive assessment including current condition, repair needs, and recommended SPF solutions. You get a written estimate with no hidden fees.
Proper surface preparation is critical for spray foam adhesion and long-term performance. Our crews clean, dry, and prime all surfaces, remove debris and loose material, and ensure the substrate meets manufacturer specifications before any foam is applied.
Using precision spray equipment, our crews apply the foam in controlled passes to achieve the specified thickness and density. The closed-cell foam expands 30 to 40 times its liquid volume, conforming to every detail of the surface and creating a seamless monolithic barrier.
We finish every project with the appropriate protective coating, thorough cleanup, and a detailed walkthrough. You receive project documentation including photos, material specifications, warranty registration, and maintenance recommendations.
Common questions about roof waterproofing answered by our spray foam experts.
Costs for roof waterproofing in Markham vary based on project size, existing conditions, and material requirements. We provide free on-site estimates with detailed written proposals. Contact us at {phone} for a no-obligation quote.
Most residential roof waterproofing projects in Markham are completed within 1 to 3 days. Larger commercial projects may take longer depending on square footage and complexity. We provide a detailed timeline with every estimate.
Yes. Every roof waterproofing project in Markham is backed by manufacturer material warranties plus our own workmanship guarantee. We handle all warranty registration and remain available for warranty service throughout the life of your system.
Yes. Every Lapolla Industries crew working in Markham is fully licensed, bonded, and insured for spray foam application. We carry general liability and workers compensation coverage on every project and can provide proof of insurance upon request.
Honest reviews from property owners who chose Lapolla Industries for their roofing and insulation needs.
"Lapolla Industries installed a spray foam roof on our warehouse last spring. Their crew was thorough, professional, and finished ahead of schedule. The building stays cooler in summer and the roof looks pristine a year later."
"We needed our concrete roof deck waterproofed before installing new equipment on it. The crew applied a monolithic membrane that handles foot traffic and ponding water. Two years in and zero issues. Money well spent."
"We signed up for their annual roof maintenance program for our three commercial buildings. They catch small issues before they become expensive repairs. Last inspection they found a failing pipe boot that would have caused a major leak."