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Application

  • The mixed material should be applied at a thickness of 5–50 mm in one application. Minimal work with a smoothing trowel is required;
  • Compound must be dry before overcoating.

Description

A base compound designed for use:

  • Where floor levels need to be raised quickly and economically in light to heavy-duty applications on sound absorbent and non-absorbent subfloors.
  • Over a wide range of subfloor types, including sand:cement screeds, concrete, sound asphalt, granolithic, terrazzo, epoxy and polyurethane resins, ceramic and quarry tiles, and Stopgap waterproof surface membranes.

In as little as three hours, Stopgap 600 sets sufficiently to allow it to be capped with Stopgap 100, 200 or 300 self-smoothing compound prior to installation of new floorcoverings. Stopgap 600 is also suitable for use under Stopgap 800.

Stopgap 600 can also be pumped – up to 900 m² per day, dependent upon thickness applied, and manpower and equipment used.

Preparation:

Surfaces must be primed, using primers in accordance with manufacturer's instructions, and allowed to dry before applying the smoothing underlayment.

  • Absorbent surfaces: Prime with dilute Stopgap P131 to prevent uncontrolled rapid drying of the underlayment.
  • Non-absorbent surfaces, such as asphalt, adhesive residues, terrazzo, quarry tiles and Stopgap waterproof surface membranes: Prime with neat Stopgap P131 to ensure good adhesion between underlayment and substrate.

Application:

  • The mixed material should be applied at a thickness of 5–50 mm in one application. Minimal work with a smoothing trowel is required;
  • Compound must be dry before overcoating.

General information
Features

Deep section. Fast drying. Protein free. Thickness from 5-50 mm in one application. Suitable for hand or pump application. Low odour

Uniclass 2015
Smoothing and levelling underlay compounds (Pr_35_31_06_80)Primary
Specification data - Smoothing and levelling underlay compounds
Product Reference

Stopgap 600

Overcoating

Stopgap 100

Stopgap 200

Stopgap 300

Stopgap 800

Product Options

Overcoating:

Irrespective of thickness applied, once Stopgap 600 has set, typically three hours at 20°C, it must be capped with a minimum 3 mm of Stopgap 100, 200 or 300, depending on the performance characteristics required. This time will be extended with reduced temperatures, e.g approximately six hours at 10°C.

The working time of the smoothing compounds may be reduced when applied to thick sections of Stopgap 600, due to heat generated within the compound.

Allow overcoated underlayment to dry before laying floorcoverings.

– Stopgap 100:

Use for fast track applications. Inter-coat priming is not required when Stopgap 100 is applied immediately after Stopgap 600 has set. Installation of most floorcoverings can commence as soon as the surface of Stopgap 100 is hard enough not to be damaged by the adhesive trowel, typically two to three hours at 20°C.

– Stopgap 200 and 300:

When Stopgap 600 is covered with either Stopgap 200 or Stopgap 300, prime the surface with dilute P131. Under typical conditions, installation of floorcoverings should be left for a minimum of 16 hours after Stopgap 200 or Stopgap 300 has set.

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