Waterproofing
Gilsonite Waterproofing FAQ
Why add gilsonite to waterproofing? To increase hardness, heat resistance and water resistance. Is it flexible? Alone it…
Gilsonite for Waterproofing
Gilsonite in waterproofing: foundations, roofs, bridge decks, membranes and emulsions.
Waterproofing
Preventing Basement Leaks
Gilsonite coatings form part of a complete system. Before choosing a repair, find where water enters: cracks in…
Waterproofing
Formulating Gilsonite Waterproofing Compounds
Softening point, flexibility, adhesion and water absorption. Softening point, sag on a vertical panel, drying time, flexibility over…
Waterproofing
Waterproofing Inspection Checklist
Record batch numbers, weather conditions and test results. Good records make warranty claims and future maintenance much easier.
Waterproofing
Green Roofs and Bituminous Root Barriers
Green roofs need waterproofing that resists roots. Root-resistant membranes with special additives. Can contribute to hardness of compounds;…
Waterproofing
Waterproofing in Hot Climates
Extreme heat softens bitumen, causing slipping on slopes and stickiness. Gilsonite raises softening point so coatings stay in…
Waterproofing
Choosing a Bituminous Waterproofing Primer
Primers improve adhesion of membranes and coatings. Excellent wetting and fast drying. A primer penetrates the pores of…
Waterproofing
Gilsonite in Waterproofing Emulsions
Water-based bitumen emulsions are easy to apply and low in VOC. Gilsonite is first dissolved in hot bitumen,…
Waterproofing
Damp-Proof Courses and Bituminous Barriers
Damp-proof courses stop moisture rising through walls. Bitumen sheets or coatings placed in masonry joints. Adds hardness so…
Waterproofing
Waterproofing Wet Areas: Bathrooms, Balconies and Terraces
Bituminous coatings are used under tiles and screeds in some regions. Gilsonite-modified coatings improve water resistance and hardness.
Waterproofing
Tunnel and Underground Structure Waterproofing
Underground structures face constant water pressure. Improves hardness and resistance to soil and water pressure. Underground structures may…
Waterproofing
Bituminous Linings for Tanks and Reservoirs
Water tanks, canals and reservoirs can be lined with bituminous materials. For potable water, use materials with appropriate…
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Data sheet
Coating & Waterproofing Grade Gilsonite
| Property | Typical value | Test method |
|---|---|---|
| Appearance | Black powder | Visual |
| Softening point (R&B) | 150 – 200 °C | ASTM D36 |
| Ash content, max | 5 % | ASTM D3174 |
| Moisture, max | 1 % | ASTM D95 |
| Solubility in TCE, min | 97 % | ASTM D2042 |
| Particle size | ≤ 200 mesh | Sieve |
| Typical dosage | 5 – 25 % of compound | |
| Packing | 25 kg bags palletized; 1 MT jumbo bags. | |
Typical values. The final specification is confirmed in the COA of each shipment.