Creation of a watertight terrace in a small courtyard

This is a beautiful waterproof terrace installed in a small courtyard. We've detailed every stage of the project: structure, waterproof joisting, invisible fastening of the boards, railing, staircase, rainwater drainage. The whole package.

Creating the structure

Creating the structure — 1 : Creation of the class 4 treated pine structure

Fixing wall brackets

Fixing wall brackets — 2 The wall is chemically sealed to support the planks. We begin positioning the MetaDeck

Logs

Details of the structure

Logs — 3 The two planks on the left are used to insert a zinc gutter to collect rainwater.

Details of the structure — 4 Detail of the structure with a joist the same thickness as the MetaDeck profiles.

MetaDeck profiles

Installing the profiles

MetaDeck profiles — 5 Presentation of MetaDeck profiles, with the complex angled cut

Installing the profiles — 6 Final fitting of the profiles on the angled section, with details of polyurethane mastic on a delicate and inaccessible section.

Securing profiles

Fitting the fasteners

Securing profiles — 7 Fixing the MetaDeck profiles to the structure using stainless steel screws

Fitting the fasteners — 8 : Fitting the parts used to attach the guardrail plates

Decking allowance

Multi profiles

Decking allowance — 9 : We insert two Multi profiles to allow the deck boards to butt together, and also to "fall just right" at the end of the deck.

Multi profiles — 10 Other view of Multi profiles

Waterproofing

Positioning the oak tree

Waterproofing — 11 : Use of polyurethane resin for
waterproofing in relation to the wall

Positioning the oak tree — 12 Creation and installation of a zinc gutter to collect rainwater. The gutter is laid between two planks.

Structure of the terrace

Overview

Structure of the terrace — 13 Overview of the waterproof terrace structure

Overview of the watertight terrace — 14 Overview of the waterproof terrace structure

Invisible fixing

Fitting invisible fasteners

Invisible fixing to deck boards — 15 : Installing Happax invisible fasteners

Fitting invisible fasteners — 16 Happax invisible fasteners: the blade is turned over

Happax clip attachment

Laying the decking

Happax clip attachment — 17 Fixing the Happax clip to the watertight profiles. Protecting them

Laying the decking — 18 Completion of decking on waterproof structure

The watertight underside

Completed waterproof terrace

The watertight underside — 19 View of the underside, perfectly watertight

Completed waterproof terrace — 20 View of the finished watertight terrace with stainless steel staircase and balustrade

Finishing touches

Finishing the waterproof terrace — 21 Finishing details: cladding the staircase stringers with deck boards, creating attractive risers.

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