Exterior
9.1.1 SUMNER Cavity Checksheet - Timber Frame Exterior
Project:	Project:		O.K √	Req'd √	Re Check	O.K √	Re Check	Date of O.K
Operation:	Operation: Full System for Timber frame Exterior
Revision:	Revision: F ( Manual 2014/08 )
	Work Sequence	Level/Zone
	Considerations	Keep timber framing dry. Framing can have a maximum moisture content of no more than 18% to apply the stonework. As such we recommend using Kiln dried timber (14%-16% moisture) and wrapping the building asap. SUMNER Board acts as a rain shield so this should also be put in place asap.
	SUMNER CAVITY
	1.0 Framing Checks
	1.1	Check for double stud at window/door openings & internal corners
	1.2	Check alignment of framing i.e. Studs & nogs straight and true
	1.3	Upper framing aligning with lower framing
	1.4	Intermediate studs at centre < 600mm
	2.0 Air Seal
	2.1	Identify air seal
		2.1.1 Low wind loading < 1550 kpa, can be building wrap
		2.1.2 High wind loading > 1550 kpa, must be SUMNER Board
		2.1.3 Fire rated to -/30/30 & < 1550kpa, can be building wrap
	2.2	Roof Flashing
		2.2.1 Fit lower roof flashings intersecting with upper framing with
		upstand behind building wrap & stop ended where necessary
	2.3	Building wrap
		2.3.1 Fixed with staples. Fix blue band (Polyprop Tape) vertically
		between studs> 300 cts or horizontally between nogs
		2.3.2 Repair all cuts & tears with duct tape
		2.3.3 Fold in around windows ( 4 sides)
		2.3.4 Tape the 4 corners and sill of each opening with SUMNER tape.
	2.4	Rigid backer
		2.4.1 Fix with 40mm clouts at 300 centres to all nogs & studs
		2.4.2 Edge distances; min 15.0mm
		Corner distances; min 100 & 50
		2.4.3 Perimeter seal with SUMNER Tape
		2.4.4 Tape the 4 corners and sill of each opening with SUMNER tape.
	3.0 Batten & Flashing
	3.1	Fixings - Tack in place with 40.mm fixings
	3.2	Set out horizontal battens
		3.2.1 Top (set 10.0mm below horizontal protrusion)
		3.2.2 Bottom (set flush with bottom plate)
		3.2.3 Fit horizontal batten to bottom of full Ht. windows/doors with top
		of batten flush with top of floor or retro fit aluminium angle
	3.3	Fitting flashings
		3.3.1 Vermin flashing to bottom batten
		3.3.2 Fit head and sill tray flashing over windows (extend past
		by 50mm) including assembling Stop Ends
		3.3.3 Building wrap sits into head flashing
	3.4	Fit off remainder of batten
		3.4.1 Horizontal above window
		3.4.2 Horizontal below window
		3.4.3 Vertical at window is set back 10mm
		3.4.4 Verticals at all sheet joins
		3.4.5 Verticals at all intermediate studs (max 600 cts)
		3.4.6 Horizontals at all horizontal joints & nogs
		3.4.7 Horizontals at inter-storey reter to specific detail
	3.5	Penetrations
		3.5.1 Fit meter box using SUMNER tape flash to all 4 sides of penetration
		3.5.2 Install all pipe & duct penetrations and seal as with site folded SUMNER tape gasket
	SUMNER BOARD
	4.1	Fixing Board
		4.1.1 Sheets to over-sail bottom plate by 50.0mm
		4.1.2 Maintain ground clearances. Bottom of sheets to finish 35.0 mm clear
		of finished deck surface or 100.0 mm clear of paved surfaces
		or 175.0 mm clear of unpaved surfaces
		4.1.3 9.0mm fix with 60mm stainless steel screws
		4.1.4 Normal weight system, centres max 220mm to perimeter, centre stud and nogs
		4.1.4 Heavy Weight System centres max 180mm to perimeter, centre stud and nogs (SUMNER Otago and Bluestone Series only)
		4.1.5 Heads NOT flush with face of sheet - ie leave 2mm proud
		4.1.6 Window flashings stop ended ( Sealant if PVC )
		4.1.7. Install Air Seal to window trim gap prior to fixing interior lining
	CONTROL JOINTS	4.1.8 Provide for vertical control joints @ 5m centers max, and horizontal control joints at max 8 m centers
		Nominate type: SUMNER Ledgestone Series □
		SUMNER Otago Series □
		SUMNER Traditional Series □
		SUMNER Bluestone Series □
		SUMNER Sandstone Series □
	NAME OF BUILDER: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
	BUILDERS LBP Number: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
	PLEASE SIGN HERE	_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _	Date:
		Note: This form is a legal document and you will be held liable for the costs of any failures, whether direct or indirect, due to falsifications in the document.
	Email this completed document to... james@sumnerschist.co.nz
	Copyright © SUMNER™ 2005