Promould® Installation Instructions

Step-by-step instructions of Promould® exterior moulding

Installation Guide

These instructions are the standard procedure for moulding installation.

Before you begin

Execution of installation must conform to EIFS manufacturer’s requirements for Environmental conditions, application, material, preparation; and to Decorawall exhibits and specifications.

Brief reminder:
Frozen material should not be used.
Application to frozen Substrate is prohibited.
Temperature before, during and until coatings cure should not be less than 50C (41F).

  1. Preperation
    The surface must be clean and dry, free of loose material or any foreign material. Dry and/or Cut the moulding onn site as per the architectural drawings and existing structure.
  2. Apply adhesive
    Apply adhesive of system manufacture to the back of the moulding in a vertical pattern, using 3/8″ notched trowel. If skinning occurs on adhesive, scrape off and replace it with fresh adhesive before installing the moulding a.
  3. Press the moulding into place
    Use temporary mechanical fastener as per selected manufacturers system to secure moulding while the adhesive cures.
  4. Remove excess adhesive
    Remove excess adhesive (if any) along the moulding before curing. Refer to
  5. Follow the next steps
    Follow the steps for System details and Exhibits below.

Substrate Details and Exhibits Installation

Exterior Insulation Finish System (EIFS) installation instructions

Before you begin

This procedure is recommended for the following systems: Polystyrene, Extruded Insulation, Wire Mesh, Fiber Mesh, Mineral Wool, Cement Board.

The process of the exhibit shall commence prior to Primer.

  1. Follow steps 1-5 above
    Follow standard installation
  2. Cement
    Spread evenly a layer of cementitious over the moulding and the substrate at least 2″ each part.
  3. Embed fiberglass
    Embed a 4″ fiberglass mesh equally divided onto the cementitious, smoothen the surface.
  4. Take a break.
    Allow for curing time
  5. Sand all surfaces and joints to a smooth finish.
Exhibit 1A: Firberglass mesh embedded into the cementitious adhesive. Cementitious adhesive. Temporary mechanical fastener. Ready to finish stucco or concrete substrate.

Polystyrene systems Installation

This procedure is recommended for Polystyrene systems only.

Before you begin

Process of the Exhibit shall commence after the polystyrene is installed.

  1. Follow section 1.2 steps 1 to 5.
  2. Proceed with next step of the system (fist layer of the Cementitious).
  3. Overlap the fiberglass mesh on to the molding.
  4. Take a break.
    Allow for curing time
  5. Sand all surfaces and joints to a smooth finish

Masonry Detail Installation

Cementitious and caulking

Before you begin

Decorawall®’s decorative mouldings are to be used above or at the bottom of an opening, it should not be installed over weep holes. Refer to the Regional Building Code and/or to the National Building Code for clearance.

  1. Follow section 1.2 steps 1 to 5
  2. Apply caulking at the joint or the moulding to the substrate.
  3. Take a break.
    Allow for curing time

Moulding to Moulding Detail

View Exhibit 5.A – Caulking.

  1. Install mouldings according to previous exhibits.
  2. At the junction of the mouldings leace a gap of no more that 13mm.
  3. Complete installation of the mouldings. Remove excess adhesive
  4. After the coatings have cured inseft a back Rod into the gap between the mouldings.
  5. Cover all joints with caulking.

Moulding to Moulding Detail

View Exhibit 5.B – Base coat and fibermesh

  1. Install mouldings according to previous exhibits.
  2. Mouldings should be installed tight against each other with space not exceeding 1/16″ (1.5mm)
  3. Apply a layer of about 1/8″ (3mm) thick of base coat over the miter joint per minimum 2″ (50mm) on each side.
  4. Embed a 4″ (100mm) onto the base coat and smoothen the surface.
  5. Take a break.
    Allow for curing time
  6. Sand all joints to a smooth finish.

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36 Shelley Road, Unit 3
Richmond Hill, ON L4C 5G3
Tel: 905-787-9166
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