Bradford WindMaster BAL Manuale utente

Installation Manual

WindMaster BAL

V6.0 11/23

Item Checklist & Additional Tools Required For Installation

1Windmaster Top 1

2Varipitch 1

3Flashing with Integrated Mesh 1

4Fixing Strap 1

5Screw Pack 1

6Instruction Document 1

7Warranty Document 1

Soft Rubber Mallet

Caulking Gun

Weatherproong Sealant

Hand tile cutter (Tile roof only)

Screw/Nail for fastening Fixing Strap (Tile roof only)

Knife

UltraTape or Hightack Tape (Sarked roof only)

Tin Snips

Nibbler or Similar Cutting Tool (Metal roof only)

10G Tek Screws or Sealed Rivets (Metal roof only)

Cordless Driver with #2 Phillips Bit

Combination Pliers

Additional Parts & Tools Required (Not Supplied)

Included Parts: Qty:

x6 x1

(for varipitch clip)

Warnings and Important Notices

WARNING:

Do not proceed with the installation until you have read the entire

instruction manual, including these warnings.

The product warranty does not cover defects to the ventilators caused by

faulty installation or modication without the authorisation of Bradford Ven-

tilation.

INSTALL AT YOUR OWN RISK

The installation of this product may be dangerous and includes working at

heights - appropriate safety precautions should be taken prior to commenc-

ing. Please be aware of the following before installing this product.

• Follow all State or Territory, Regulator or OH&S guidelines for working

at height (e.g. roof work), electrical, working in conned space.

• Installation may require working at height and should only be

undertaken with the correct safety equipment.

• Do not attempt to install this product if it is not safe to do so.

• Isolate power before installation.

• It is recommended that appropriate cut resistant gloves and safety

glasses be worn whilst handling these products and during

installation.

• Caution: The turbine head of this product can rotate without warning

(even during installation) – always keep body parts away from moving

components.

• WARNING: Before commencing the installation always check roong

and other building material for the presence of asbestos prior to cutting.

If asbestos is present or the type of material is unable to be determined,

do not proceed with the installation and seek expert advice.

• WARNING: Refrain from using a grinder to cut the roof tiles to avoid

exposure to resipirable crystalline silica dust. Instead, opt for a hand

tile cutter. Refer to the CSR silica fact sheet for details : https://www.

monier.com.au/roong-information/-/media/monier/documents/2023-

updates/monier-silica-fact-sheet_0523.pdf

Warnings and Important Notices

PRODUCT COMPLIANCE:

Compliance of this product to BAL requirements relies upon correct instal-

lation. It is recommended that installation is undertaken by a competent

and licensed tradesperson to ensure that the product installation is in

accordance with this Guide. In particular, care should be taken when

forming the ashing to ensure that there are no gaps between the roong

material and the ashing greater than 2mm. Seal any gap less than 2mm

with weatherproong sealant for weatherproong purposes.

IMPORTANT

Do Not Modify This Product: Compliance with BAL requirements is only

achieved by the unmodied product as supplied.

MAINTENANCE

This product requires regular maintenance to maintain its performance

- check and clean the emberguard (mesh) regularly to remove built-up

residue.

PRODUCT SUITABILITY:

Always check product suitability and limitations of use prior to selection –

refer to the Product Technical Statement (PTS) available online.

Installation - Tiled Roof

STEP 1

Select a suitable position

along the roof that has no

obstructions below the tiles

(such as a rafter or cross

brace).

IMPORTANT: It is

recommended that the

ventilator be installed

along the 3rd or 4th row of

tiles from the ridge. Lower

positions will return lower

vent performance and

increase the risk of leakage

in heavy rain.

Installation higher than the third row of tiles down from the

ridge may damage the ridge tile pointing and is NOT recom-

mended.

STEP 2

Position the ashing in the de-

sired location so that the tiles

that need to be cut or removed

can be determined.

Ensure the bottom edge of the

ashing extends far enough be-

yond the lower tile edge to allow

it to be folded downward toward

the roof at a later stage.

Mark-out the position to either

remove and/or cut the required

tiles.

Ensure the ashing is positioned with the slots for the xing

strap located at 12 and 6 o’clock mark. This is crucial for x-

ing strap assembly (see Step 10).

Installation - Tiled Roof

STEP 3

Cut the tiles marked

earlier using a hand tile

cutter being careful not

to crack the tile.

Refrain from using a

grinder to cut the roof

tiles to avoid exposure

to resipirable crystalline

silica dust. Instead, opt

for a hand tile cutter.

STEP 4

If the roof is sarked, cut

sarking in a cross and fold

back onto itself to give

an opening to match the

vent’s throat diameter.

Tape the corners to the

top surface of surround-

ing sarking with a suitable

tape to prevent them foul-

ing the ventilator.

Depending on roof construction, a tile batten may be obstructing

the throat opening of the vent. This batten can be left in place with

the ventilator sitting above it.

Folding the cut sarking aps back on themselves results in a

gutter arrangement that helps to prevent any water running down

the sarking from entering through the opening.

Installation - Tiled Roof

STEP 5

Lift the higher row of tiles

and use a piece of timber

or similar to wedge to the

tiles in the up position.

Return the ashing to the

roof and place it under

the upper row of tiles in

the previously marked

position (step 2).

STEP 6

Using a soft hammer, form

the ashing to conform with

the lower tile prole.

Position the varipitch

temporarily onto ashing and

make any nal adjustments to

the ashing position. Turn the

bottom edge of the ashing

over the lower tiles. Form the

bottom edge of the ashing

so that the higher tiles can be

replaced with minimal gaps.

Remove the varipitch for next

steps.

Take care to avoid unnecessary movement of the top row of

tiles. Ensure the ashing is positioned with the slot for the

xing strap located at 6 o’clock mark

SLOT

Care should be taken when forming the ashing so that the gaps

between the roong material and the ashing are less than 2mm.

Installation - Tiled Roof

STEP 7

Remove the formed

ashing.

From above the roof, take

the xing strap and securely

x it to the vertical face of

lower tile batten.

Screw (not supplied) the

xing strap to the batten,

this will secure the lower

part of the ashing in future

steps.

STEP 8

Gently bend the upper

part of the strap so that

it is facing down the roof

and is approximately the

height of the ashing above

the surrounding roof tiles.

Installation - Tiled Roof

STEP 10

Remove the screw from the

lower part of the ashing -

this screw should located

adjacent to a cut-out slot.

STEP 9

Install the cut portion of

the tile so that it is inline

with the lower edges of

the surrounding tiles.

Using a weatherproong

sealant, apply a 15-

20mm wide bead of

sealant around the

perimeter of the ashing

area.

Apply SealantApply Sealant

Ensure sufcient weatherproong sealant applied in tile troughs.

This helps prevent any water entering from adjacent tiles.

SLOT

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