ATTENTION CUSTOMERS: The global pandemic has been putting huge strains on the raw material supply chain for critical construction products. The limited supply of raw materials in the global supply chain has caused dramatic increases in costs for key elements and raw materials and is resulting in more delays with extended lead times. Most manufactures have already implemented “force majeure” and placed additional surcharges to secure their raw materials. Conspec will strive to fill everyone’s orders as much as we can in a timely manner, however with the supply chain broken, and only receiving partial inventory from manufactures with increased demands the shortages are out of our control. We apologize for the inconvenience, but Conspec will do the best that we can to fill your orders in a timely manner. Thank you for your patience and we sincerely appreciate your business in these challenging times.
Sale! chemmasters-foundation-coat-gray-block-foundation-basement-waterproofing
Chemmasters Foundation Coat Below Grade ApplicationChemmasters Foundation Coat Waterproofing for Masonry at Conspec MaterialsChemmasters Foundation Coat Application


Conspec Family Business BadgeConspec Warranty Badge
A Portland cement based masonry coating that develops a waterproof barrier which resists both positive and negative hydrostatic pressure. Can be installed above and below grade, interior, or exterior. Paintable, Solvent Free, Requires Cretelox Admix (Sold Separately)

Clear selection

Chemseal Foundation Coat Waterproofing

ChemSeal Foundation Coating is a Portland cement based, masonry waterproof coating for exterior, interior, below grade, or above grade concrete and masonry, and suitable for negative and positive side waterproofing applications. ChemSeal, Foundation Coating, is an easy to apply brush-on, portland-cement-based waterproof coating for exterior below-grade concrete and masonry. It can also be used as a waterproof base coat on above-grade walls before they are top coated with Stucco. Must be mixed with Cretelox to achieve properties listed in Data Sheet. Apply with stiff broom or masonry stucco brush.

• Permanently damp proofs on negative and positive sides
• Allows vapor transmission
• UV resistant
• Will not peel, blister, or chip
Solvent & odor free – Zero Volatile Organic Compounds (VOC)
• Heavily bodied to fill voids and cracks
• Provides a uniform decorative appearance
Can be Coated or Painted Later for architectural applications

• Apply to concrete or masonry to damp proof and improve the appearance of any concrete or masonry surfaces
• Interior basement walls
• Exterior foundations walls
• Pools or brine tanks
• Exterior walls of block, brick, or concrete buildings
• Cisterns, septic tanks, or sewers
• Tunnel walls
• Light pedestrian horizontal surfaces
• Water treatment plants



To view the most recent Technical Data Sheet, please click here.

Weight 960 oz
Dimensions 15 x 10 x 20 in
Product Color

Gray, White

Product Size

50 lb. Bag

You may also like…