Water Resistant OSB-4 For Roof
Water Resistant OSB-4 For Roof
- Product Name:Oriented Strand Board
- Material:Poplar and Pine mixed
- Density:650-720kg/m3
- Grade:OSB-2,OSB-3,OSB-4
- Glue:MR,WBP,MDI,Melamine,E1,E2,E0
- Size(mm):2440X1220, 2500X1250,
- Thickness(mm):6-18mm
- Moisture:8-12%
- Min Order:22CBM(1x20'GP)
- Payment:T/T or L/C at sight
- Delivery time:Within 20days after receiving deposit or Original L/C inform
- Packing:Covered by carton board. Fastened by steel belts with pallets.
Water-Resistant OSB-4 for Roof refers to a specific type of Oriented Strand Board (OSB) that is designed for use in roofing applications, particularly in environments that are exposed to moisture or harsh weather conditions. It is classified as OSB-4 according to the EN 300 standard, which specifies the performance criteria for OSB boards in terms of load-bearing capacity and moisture resistance. Here are some key characteristics and features of Water-Resistant OSB-4 for roofs:
Key Features:
Moisture Resistance: OSB-4 boards are specifically engineered to be more resistant to moisture than lower grades like OSB-3. This makes them suitable for use in roofing, where they might be exposed to rain or high humidity before being covered with shingles or other roofing materials.
Structural Strength: OSB-4 is designed to bear heavy loads, making it suitable for applications where structural integrity is essential, such as roofing, subflooring, and wall sheathing. It is stronger than OSB-3 and is often used in structural applications that require high performance.
Durability: It is durable and provides a stable substrate that can withstand the stresses and movements typical in roofing systems, even in damp conditions.
Performance in Roofing: This grade of OSB can be used in situations where the board will be exposed to weather during construction or for roof decks in permanent roofing systems. It should be protected with a roofing membrane or other waterproofing layer for extended service life.
Manufacturing and Resin System: The moisture-resistant quality is typically achieved through the use of a phenolic resinorWBP (water-resistant phenolic) glue in the manufacturing process, making it much less prone to delamination when exposed to moisture.
Applications:
- Roof Decking: OSB-4 can be used as a roof deck substrate where it supports roofing materials such as shingles, tiles, or membranes.
- Temporary Roofing: It can also be used in temporary roofing structures, where the material may be exposed to rain or other weather conditions.
- Exterior Sheathing: It is used in exterior sheathing in situations where it will be exposed to the elements before final roofing material is installed.
Comparison to Other Grades:
- OSB-3: Suitable for internal use and areas exposed to temporary moisture but not for prolonged exposure.
- OSB-4: Higher grade, designed for long-term exposure to moisture, making it ideal for roof applications where weather resistance is important. Send inquery
