GLASDAN 40/GP ERF ELAST

About this product

GLASDAN 40/GP ERF ELAST. is a waterproofing bituminous sheet with self-protected surface of 4.0 kg/m². Composed of a fibreglass reinforcement, covered on both sides with SBS modified bitumen mastic. On the upper side of the sheet, mineral protection is used as protective material. The anti-adhesive material used on the lower side is polyethylene film.

Self-protected non-accessible roofs: Multilayer waterproofing membrane capsheet with mineral self-protection.

Capsheet in two-layer membranes with mineral self-protection.

The mineral finish gives the membrane UV resistance.

The SBS type elastomeric polymer modified bitumen mastic provides much better performance in terms of high and low temperature behaviour, elasticity and resistance to ageing compared to oxyasphalt sheets, which leads to a longer durability of the membrane and a higher safety of the waterproofing membrane.

Fibreglass felt reinforcement has the following advantages: High dimensional stability, low thermal variation and easy adaptability.

Allows for working with molten asphalt.

Top sheet of multi-layer waterproofing membranes with mineral self-protection.

The sheet is laid in the same direction as the bottom sheet, shifting the overlap line by approximately half of the roll. The sheet is fully welded to the bottom sheet with a blowtorch. The overlaps are to be welded, and will be 8 cm in both the longitudinal and transverse directions. To join the transverse overlap at the ends of the rolls, it is necessary to heat the transverse edge of the lower sheet in a strip of 8-10 cm beforehand, removing or embedding the protective aggregate in the bituminous mass and then welding the end of the next piece.

In case of new construction and renovation, possible chemical incompatibilities with APP plastomer-modified bitumen sheets shall be taken into account.

The design and installation of the roof structure and finishes shall be in accordance with the falls prescribed in BS 6229. Ponding of water on the surface of the waterproofing is to be avoided through effective design of roof falls and drainage systems. Throughout the life of the roof, periodic maintenance inspections should be conducted in line with the manufacturer's recommendations.

This product may form part of a waterproofing system, so all the documents referred to in the Danosa Solutions Manual must be taken into account, as well as all the regulations and legislation that must be complied with in this respect.

Self-protected sheets finished in light colours perform better thermally.

Not to be used in a single-layer waterproofing system.

Not suitable as cap sheet on green roofs; use GARDEN variant.

Possible incompatibility between thermal insulation and waterproofing shall be checked.

Polyurethane foam shall not be sprayed directly on top of the waterproofing without the use of a suitable separating layer (geotextiles, mortar layers, polyethylene film, etc).

Please refer to DANOSA UK Technical Statement ‘Flat Roof Waterproofing – Cleaning and Maintenance Recommendations’.

Before moving the pallet, check the condition of the shrink-wrap and reinforce if necessary.

The product must be stored in a dry place protected from rain, sun, heat and low temperatures.

The product must be stored in an upright position.

This product is not toxic or flammable.

NOTE: For more information on the Danosa systems in which this product is used, please see the document "Waterproofing Solutions".

Waterproofing work should not be carried out when the ambient temperature is lower than +5ºC for hot air welding.

Danosa recommends consulting the safety data sheet for this product, which is permanently available at www.danosa.com, Knowlegde Portal, or it can be requested from our Technical Department.

In all cases, the Occupational Safety and Hygiene standards, as well as the standards of good construction practice, must be taken into account.