Heat-preservation and waterproofing fiber board

Abstract

The invention belongs to the field of building materials and provides a heat-preservation and waterproofing fiber board, which includes: a high-density fiber board body (1), of which the interior is filled with an extruded polystyrene foam plate (2). The thickness of the high-density fiber board body (1) is 0.5-1.0 mm and the thickness of the extruded polystyrene foam plate (2) is 55 mm. The structure then is coated with the high-density fiber board which has low water absorption rate, and the extruded polystyrene foam plate serves as the core, so that the product has good heat preservation performance. The two materials are adhered effectively. The board material has both heat-preservation and waterproofing functions and can be extensively applied for separation of non-bearing wall bodiesin all places indoor.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a thermal insulation and waterproof fiberboard. Background technique [0002] Fiberboard, also known as density board, is a wood-based panel made of wood fiber or other vegetable fiber and applied with urea-formaldehyde resin or other suitable adhesives. Fiberboard has the advantages of uniform material, small vertical and horizontal strength difference, not easy to crack, etc., and has a wide range of uses. The development of fiberboard production is an effective way to comprehensively utilize wood resources. [0003] The disadvantage of fiberboard is that there is a texture on the back, resulting in unequal surface areas on both sides of the board. After moisture absorption, the board is warped due to the difference in expansion force; the surface of hard board is hard, difficult to nail, and poor water resistance. Although dry-laid fiberboard avoids some disadva...

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of fiberboard is that there is a texture on the back, resulting in unequal surface areas on both sides of the board. After moisture absorption, the board is warped and deformed due to the difference in expansion force; the surface of hard board is hard, difficult to nail, and poor water resistance.

Although dry-laid fiberboard avoids some disadvantages, the cost is higher

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