Caltech Alpha

System Options

Caltech Alpha
Extremely low odour, single component, cold-applied, moisture-triggered polyurethane membrane
Caltech G-Mat Reinforcement Layer
100gsm chopped strand fibreglass reinforcement
Caltech Alpha
Caltech SA Preparation Layer
Aluminium surfaced, glass/polyester reinforced self-adhesive membrane
Euroroof SA Primer
Alumasc Insulation
Options for GTF PIR or Class A fire rated alternative
Euroroof PU Insulation Adhesive
Alumasc AVCL
Options for torch-on or self-adhesive
Roof Deck

Euroroof Flat Roof Membranes

Overview

Caltech Alpha High Performance Roofing Systems comprise a single-component, cold-applied, fully reinforced, extremely low odour, moisture-triggered polyurethane based membrane, insulation boards and air and vapour control layers (AVCL). Caltech Alpha is applied in liquid form in two layers with an embedded reinforcing glass fibre matt to form a seamless, durable, smooth waterproof finish. The system is fully adaptable to meet the individual requirements of every project for use across all building sectors in both refurbishment and new-build roofing projects.

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Key Features & Applications

Waterproofing of flat and pitched roof structures, communal walkways, podium decks and terrace roofs
For new build construction and refurbishment projects
BBA approved, fully warranted systems are available with a life expectancy in excess of 25 years
Applicable to existing concrete, roofing felt, brickwork, asbestos cement decks (subject to condition and priming requirements)

Characteristics and Advantages

Caltech Alpha is an extremely low odour, single component product that requires no mixing therefore is easy to use and ready immediately
Fully Cold-applied so requires no heat or flame
Economic – provides a cost efficient life cycle extension of failing roofs
Retains flexibility at low temperatures
Minimal disruption and low maintenance
Can be applied all year round above 2°C
Approved to ETAG 005 (Part 6)

Application Details

Quality of substrate must be assessed before application (see product datasheet)
When preparing substrate the surface must be sound, of sufficient strength, clean, dry and free of dirt, oil or grease. In cases of cementitious substrates outgassing must also be taken into consideration
Surface must be dry and within +2 °C min. / +30 °C max
Gently stir Caltech Alpha before use
Add Caltech Alpha Accelerator
Apply Caltech Alpha using a roller