GSE Top Junction Flashing Universal 375mm - Black - ART100039

Description

The GSE Top Junction Flashing connects two sections of top flashing along the upper edge of a GSE In-Roof System array, maintaining a continuous watertight line where the top of the PV field meets the surrounding roof covering.

Supplied in black to match the rest of the GSE In-Roof flashing kit, this 375mm junction piece is fitted with a PU glue joint on the underlying top flashing and overlaps it by at least 100mm, in line with the GSE installation manual.

375mm

Length

Black

Finish

100mm Min.

Overlap

Universal

Kit Compatibility

Top Flashing

Position

In-Roof

System

Please Note

GSE specifies a minimum 100mm overlap between the top junction flashing and the top flashing beneath it, with a PU glue joint applied to the covered area beforehand. The gap between top flashing sections should not exceed 160mm.

Continuous Top-of-Array Seal

Bridges the joint between adjacent top flashing sections along the upper edge of the PV field.

Matched Black Finish

Finished in black to match the GSE In-Roof frame, clamps and flashing kit for a consistent appearance.

Manual-Specified Overlap

Designed to overlap the top flashing by at least 100mm, secured with a PU glue joint as specified in the GSE installation manual.

Universal Kit Fit

Compatible with the GSE In-Roof Universal Kit, used alongside standard top flashings and corner flashings.

Rated for Roof Slopes 12°-50°

Forms part of a top flashing detail engineered with a 14° water-shedding slope, within the GSE system's supported roof pitch range.

Simple Two-Step Fixing

Fitted using PU adhesive plus flashing hooks, matching the fixing method used for the rest of the top flashing run.

Product Details

Product Type

Top junction flashing

Length

375mm

Colour / Finish

Black

Kit

Universal

Installation

Fitting Position

Joins adjacent top flashing sections at the top of the PV array

Minimum Overlap

100mm onto the top flashing

Fixing Method

PU glue joint plus flashing hooks (minimum 2 per piece)

Maximum Gap Between Top Flashings

160mm

System

GSE In-Roof System

What does the top junction flashing do?

It joins two sections of top flashing along the upper edge of a GSE In-Roof array, keeping the top of the PV field watertight where flashing pieces meet.

How much overlap does it need?

GSE specifies a minimum 100mm overlap onto the top flashing beneath it, fixed with a PU glue joint.

Does the colour match the rest of the GSE In-Roof kit?

Yes, this piece is finished in black to match GSE's standard In-Roof flashings, frames and clamps.

Is this compatible with all GSE In-Roof kit versions?

It is designed for the GSE In-Roof Universal Kit. Check compatibility against your specific kit version if using a different GSE In-Roof variant.

How is the top junction flashing fixed in place?

It is bonded with a PU glue joint onto the top flashing and mechanically fixed using flashing hooks, at least two per piece.

BTU Calculator

BTU & WATT Calculator

Room Dimensions

Length (in m):

Width (in m):

Height (in m):

Room Type

Living Room

Bedroom

Kitchen

Bathroom

Conservatory

Hallway

Glazing Type

Single Glazed

Double Glazed

Triple Glazed

External Walls

0 Wall

1 Wall

2 Walls

3 Walls

4 Walls

Insulation Level

Poor

Average

Good (New Build)

Calculate

Required Heating

0

Watts

0

BTUs