Page 318 - McD_6118-AEW-XX-XX-NBS-A-001_Neat

320 LAMINATED TIMBER CORES FOR WOOD VENEERED PANELS
• Face grain direction: Perpendicular to specified direction of veneer grain.
- Alternative arrangement: Panels cross veneered before applying face veneer.

350 FIXING LININGS AND PANELLING
• Setting out: Accurate, true to line and level, free from undulations and lipping, with
lines and joints aligned, straight and parallel unless specified otherwise.
• Movement allowance: Adequate for future moisture and temperature movement
of boards.
• Fixing of panels: Secure, to prevent pulling away, bowing, or other movement
during use.
• Methods of fixing and fasteners: As section Z20 unless specified otherwise.
• Trims: Wherever possible, to be in unjointed lengths between angles or ends of runs.
- Running joints: Where unavoidable, submit proposals for location and method of
jointing.
- Angle joints: Mitred, unless specified otherwise.

360 OPEN JOINTS (JOINTS WITHOUT COVER STRIPS OR SIMILAR)
• General: Within a joint (including in-line continuations across transverse joints)
greatest width must not exceed the least width by more than:
0.5mm in 1 metre.
1mm in 2 metres.
1.5mm in 3 metres.
• Variations in width: Evenly distributed with no sudden changes. Joints with bevelled
edges to be measured to the face arrises.

400 DOOR FRAMES
• Hardwood packing between frames and reveals: To give even joints of specified
width.
- Position of packs: Where fixings tighten frame against structure.
• Positions of frames: Accurate, plumb, level, and aligned.
- Fixing of frames: Secure, to prevent pulling away, deflection, or other movement
during use.
- Fastener locations: 600 mm maximum centres with at least one fixing 150 mm
from each end of jambs and one adjacent to each hanging point.

410 FIRE RESISTING FRAMES
• Gaps between frames and supporting construction: Filled as necessary in
accordance with requirements for certification and/ or door/ doorset
manufacturer's instructions.

480 CLEAR FINISHES
• Nail holes: Filled with stopping coloured to match wood.
• Prepared surface: Smooth, closed and free from sanding marks.
• Finish: Smooth free from brushmarks, nibs, sags, runs and other defects.

RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01