Product Data Sheet Show all documents
DensDeck® Prime Roof Board

DensDeck® Prime Roof Board

Coated glass mat gypsum roof board

DensDeck® Prime Roof Board features a gypsum core with coated glass mat facers that are embedded on the top and bottom of the board.

  • Improves resistance to foot traffic and hail damage
  • Good wind uplift ratings
  • Good resistance to deterioration, warping and jobsite damage
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Product Data Sheet Show all documents

Usage

DensDeck® Prime Roof Board is used as a cover board over thermal insulation in fully adhered, partially adhered or mechanically fastened single ply flat roof build-up. Please note:
  • The Product is not suitable for vertical parapet applications
 

Advantages

  • Improves resistance to foot traffic and hail damage
  • Good wind uplift ratings
  • Good resistance to deterioration, warping and jobsite damage

Packaging

Packed on a pallet protected with shrink foil.

Pallet quantity

30 boards

Refer to the current price list for available packaging variations.

Colour

Colour

Dark grey (top and bottom surface)

Product Details

Product Information

Chemical Base

Core

Gypsum

Surface

Fibreglass with non-asphaltic coating

Shelf Life

5 years from date of production

Storage Conditions

Product must be stored in original unopened and undamaged sealed packaging in dry indoor conditions. If stored outside the boards must be stacked clear of the ground and covered with a polythene sheet or weatherproof tarpaulin. Boards that have become wet must be discarded. Always refer to packaging.

Dimensions

Width

(1219 ± 3) mm

Length

(2438 ± 7) mm

Weight

29 kg per board

Thickness

Thickness

(12.7 ± 0.8) mm
System information

Compatibility

The Product is compatible with the following roofing materials:

  • EPS insulation

  • XPS insulation

  • Mineral wool insulation

  • PIR thermal insulation

  • Sarnafil® PVC and FPO roof waterproofing membranes

  • Sikaplan® PVC and FPO roof waterproofing membranes
Technical Information

Compressive Strength

900 psi nominal (approx. 6200 kPa)

(ASTM C473 )

Flexural Strength

Longitudinal (MD)

≥ 800 N

Transversal (CMD)

≥ 700 N

Thermal resistance

0.16 W/m∙K

(EN 158283-1)

Water Absorption

Maximum 5 %

(ASTM C1177)

Permeability to Water Vapour

μ =10.0

(EN 158283-1)

Reaction to Fire

A1 (for exposed situations)

(EN 158283-1)

Application

Application Information

Ambient Air Temperature

Maximum

+60 °C

Minimum

-15 °C
Application steps

SUBSTRATE QUALITY

The substrate surface must be uniform, smooth and free of any sharp protrusions or burrs. The substrate must also be clean, dry and free of grease and dust.

APPLICATION

IMPORTANT

Application by trained personnel

The application of this Product must only be carried out by an applicator that is trained or approved by Sika. The applicator must also be experienced in this type of application.

IMPORTANT

Exposure to moisture

Exposure to water will negatively impact the performance of the Product. It must be kept dry before, during and after installation.

  1. Apply only as many boards as can be covered by roof membrane in the same day.
  2. Protect boards from rain penetration during breaks in the construction process.
  3. Discard any boards that become wet.

Application below +5 °C

Note: Special measures may be compulsory for installation below +5 °C ambient temperature due to safety requirements in accordance with national regulations.

Note: Installation of ancillary products, such as contact adhesives or cleaners is limited to temperatures above +5 °C. Refer to relevant Product Data Sheets for further information.

 

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