Overview
Bitumen impregnated board is a composite construction material made by saturating wood (typically softwood like pine or fir) with bitumen under pressure. This process transforms ordinary wood into a highly water-resistant and durable product suitable for harsh environments. The material combines the structural benefits of wood with the waterproofing properties of bitumen. It's widely used in both residential and industrial construction, particularly in applications where moisture resistance is critical. The boards are available in various thicknesses and sizes to accommodate different project requirements.
Product Features
The primary advantage of bitumen impregnated board is its exceptional water resistance. The bitumen treatment creates a hydrophobic barrier that prevents water absorption, making it ideal for damp environments. The boards also exhibit good dimensional stability, resisting warping and swelling that typically affect untreated wood. Additional features include moderate thermal insulation properties and, in some formulations, fire retardancy. The dark color from bitumen absorption provides natural UV resistance, though prolonged direct sunlight exposure may still cause some degradation over time.
Main Uses
In construction, these boards serve multiple purposes. They are commonly used as underlayment for flat roofs, providing both structural support and waterproofing. In flooring applications, they create effective damp-proof courses, particularly in basements or ground-level constructions. Other applications include wall sheathing in moisture-prone areas, sound insulation in partition walls, and as protective layers in landscaping projects. Industrial uses include temporary road surfaces and protective boarding in civil engineering projects.
Culture and Development
The development of bitumen impregnated wood dates back to early 20th century Europe, where builders sought affordable waterproofing solutions for growing urban infrastructure. The material gained popularity post-World War II during reconstruction periods. Modern production techniques have significantly improved the quality and consistency of impregnation. While synthetic alternatives have emerged, bitumen boards remain popular in many regions due to their proven performance and cost-effectiveness in specific applications.
B2B Procurement Guide
When sourcing bitumen impregnated boards commercially, verify the depth of bitumen penetration - full penetration is superior to surface treatment. Consider the intended application to determine appropriate thickness, with roofing typically requiring thicker boards than wall applications. Check for relevant certifications (like CE marking or ASTM standards) and ensure the product meets local building code requirements. For large projects, request samples to test performance characteristics. Bulk purchases (full truckloads) typically offer 10-20% cost savings compared to smaller orders.
Related Manufacturers
- 主营：紫铜片、止水铜片、紫铜止水片、沥青木丝板、沥青木板、沥青杉木板、沥青杉板、沥青木屑板、沥青麻绳、沥青麻丝、沥青麻筋、沥青麻絮、沥青麻布、抗裂纤维、聚丙烯纤维、聚乙烯醇纤维
- 主营：沥青麻绳、沥青木丝板、塑料盲管
- 主营：止水铜片、抗裂纤维、排水盲管、沥青浸制木板、塑料盲沟、紫铜止水片、混凝土纤维、聚乙烯醇纤维
- 主营：塑料盲管、打孔波纹管、聚丙烯纤维、沥青木丝板、沥青杉木板、沥青麻绳、聚乙烯醇纤维、止水铜片
- 主营：透水管、麻丝板、打孔管、实木板、软木板、油木板、沥青板、沥青油、伸缩缝、纤维板、料盲管、波纹管、钢纤维、木屑板、沉降缝、复合铜、聚丙烯、止水带、混凝土、木削板、油麻绳、添加剂、紫铜板、止水铜、浸麻丝
- 主营：抗裂纤维、聚丙烯纤维、止水铜片、沥青木丝板、沥青杉木板、沥青麻绳、沥青麻丝、打孔波纹管、塑料盲管
- 主营：钢塑格栅、土工格室、土工格栅、修补沥青、复合土工膜、三维植被网、热塑性植草土工
- 主营：沥青木丝板、沥青木板、沥青杉木板、沥青木屑板、沥青纤维板、沥青麻绳、沥青麻筋、沥青麻丝、沥青麻絮、沥青麻布、沥青杉板