High density fiber cement board and middle density fiber cement board

How to repair fiber cement roofing sheet

If you find that weather or accidents have damaged your fiber cement roofing, then you will need to perform some quick repairs before the next bout of rain. Fiber cement roofing is a complex material made up from a mixture of cement and fibrous material such as cardboard, cloth, or fiberglass. If you need to repair a wide area, then you might be better off calling in professional help, but if it is only a little bit of damage, then you will be able to manage this yourself. Fixing fiber cement roofing is not a difficult job, but it can be time consuming, so allow a full day to complete this task.

Step 1 - Clean the Roofing

The first step in any type of repair on your fiber cement roofing is to clean it thoroughly. This will ensure that you don't get any dirt or debris wrapped up with the paint and tar that you will be applying later. It is a good idea to scrub down the roof using a hand brush and some liquid soap, but you can use a pressure washer if your roof is still water-tight.

Step 2 - Inspect the Damage

Now all of the debris has been removed, inspect the roof for damage. Look at the broken tiles, and decide whether they need to be discarded or patched over. Small holes can easily be patched without the need to replace, but cracks and breaks will have to be replaced.

Step 3 - Add Patches

Cut out some fiberglass cement shingles to the right size, plus about an inch extra. Using some roofing tar, spread this over the surface of the tile to be mended, and then place the patch onto the hole. Press down around the edge to fix the patch into place, and then add more roofing tar over the top, plus a little caulk around the sides to ensure that there are no leaks.

Step 4 - Replace a Shingle

Take off the broken shingle by removing the nails, or lifting up the strip of roofing that it is connected to. Add either a separate tile, or a new strip by laying it down in the area you have just removed. You should be able to nail this back down, and then add some caulk or roofing tar around the nails to prevent water penetration.

Step 5 - Finishing Off

When the tiles have been fixed, it is a good idea to paint over the surface. This will disguise the fact that you have a new shingle or patch on your roof, and will also help to protect your fiber cement roofing from water penetration, particularly when the roofing tar has just been added. Use a paintbrush to add the paint, and then allow it to dry thoroughly.


More information please visit at www.hocre-board.com or send email to info@hocre-board.com

Fiber cement roof tile manufacturers

Product specifications:

Length: 900 to 3600

Width:920 or 1100

Thickness: 5,  5.5,  6,  6.5

Density:1.3-1.5g/cm3
Fiber Cement roofing tile is available in the standard colors of flamed red, blackish blue and green; however, it is also available to order in other colors, and the other side of the tile is white.
The construction area of the tile is 80%-85% of the whole tile area.
The product conforms to the standards for building materials, including Certifiable Technical Requirement for Industrial Type Material developed by National Research Center of Testing Techniques For Building Materials and, National Test Center of Polymer and Chemical Building Materials.

Transverse bending strength: 4900N/m

Water absorption: 22.8%

Water leak-proof property: no water leakage appears on the other side of the surface of the tile Frost resistance: no flakes on the surface of the tile after 25 times thaw-freeze test

CHARACTERISTICS:

In developing the Sanle products, a great number of aspects have had a vital effect on its design and appearance.

The new product would have to:

(1)Have a characteristic profile and size

(2)Include a full color range

(3)Be quick and simple to lay

(4)Be resistant to the rough climate

(5)Sell at a competitive price

(6)Workability

(7)Light weight with high strength performance

(8)Sound-tight

(9)Acid-resistant with stable chemical characters

(10)Heat isolation

Cement board

Cement board is a combination of cementand reinforcing fibers formed into 4 foot by 8 foot sheets (or 3 foot by 5 foot sheets),

1/4 to 1/2 inch thick that are typically used as a tilebacking board. Cement board can be nailed or screwed to wood or steel studs to

create a substrate for vertical tile and attached horizontally to plywood for tile floors,kitchen counters and backsplashes.

It can be used on the exterior of buildings as a base for exterior plaster systems and sometimes as the finish system itself.

Cement board adds impact resistance and strength to the wall surface as compared to water resistant gypsumboards.

Cement board is also fabricated in thin sheets with polymer modified cements to allow bending for curved surfaces.

Advantage

As a tile backing board, cement board has better long-term performance than paper-faced gypsum core products because it

will not mold, mildew or physically break down in the continued presence of moisture or leaks. Cement board is not actually

waterproof, but it is highly resistant to absorbing moisture and has excellent drying properties. In areas continually exposed to

water spray (i.e. showers) a waterproofing barrier is usually recommended behind the boards or as a trowel-applied product to the face of the boards behind the finish system.

Installation

Cement board is hung with corrosion resistant screws or ring-shank nail,Cement board has very little movement under thermal stress,

but the boards are usually installed with a slight gap at joints in shower pans, bathtubs, and each other. These joints are then filled with silicone sealantor the manufacturer's taping compounds before applying a finish. The filled joints are taped like conventional gypsum

board, but with fiberglass tapes that provide additional water resistance. Combined with a water impermeable finish, cement board is a

stable, durable backing board.

Fiber cement board

Fiber cement board consists of cement, sand, and cellulose fibers that are manufactured in layers to form sheets of varying thicknesses. The boards are manufactured using a process called autoclaving, which uses high-temperature steam curing to form the board and to increase the strength and stability of the sand and cement. The cellulose fibers help to prevent cracking.

Fiber cement boards are strong and designed to hold up under extreme climates where intense sunlight, moisture or wind is common. This material is also resistant to fire, insects and rotting. Fiber cement board doesn't require painting.

Fiber cement board doesn't warp or fade, which vinyl can do. It can withstand ultraviolet rays and is impenetrable by insects and birds. It doesn't dent or bump under direct impact and will not become brittle in cold temperatures. Fiber cement boards can be used in historical renovations, where other cladding materials are not allowed. Because of their long life, fiber cement boards also cut down on repair and maintenance costs. Many warranties guarantee the material for seven years or longer.

More information, please visit at www.hocre-board.com

Cellulose Fiber Cement board

Fibre cement board. A high performance cellulose fibre cement sheet manufactured with sand, cement, cellulose fibre and additives.

All of the above boards are also suitable for use in acoustic roofing applications, and Hocreboard  is also used extensively in acoustic floor applications.

Key Benefits Excellent weathering properties, high tensile strength, high MoE, smooth finish for paint, excellent acoustic performance. A very strong, versatile board.

Drywall board and Fiber cement board

Have you considered  cement board installation for your home? Help protect your walls from water damage with  cement board drywall.

Unlike standard drywall, which is prone to water penetration and damage,  cement board are designed to better endure some moisture exposure. While not waterproof,  cement board are moisture-resistant and often installed in areas of the home where occasional moisture is expected, such as bathrooms and basements.

Standard drywall is made of the mineral gypsum. Gypsum is mixed with water, starch and paper pulp to create sheetrock. The sheetrock is then surrounded by a paper covering. When water penetrates sheetrock, it causes the sheetrock to lose firmness and crumble, and may even lead to mold and mildew growth. The best way to repair water-damaged drywall is to replace it.

Cement board is a type of drywall composed of cement and a glass-fiber mesh covering. It is highly durable and more water-resistant than green board. Cement board is typically used in areas of the home expected to experience significant, direct water exposure.