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Timberwork

 

August 2017 Showing replacement timber to the timber gable. Notice repairs to stud walling, showing pieces scarf jointed and cleated to original timber stud work. Situated against the east elevation stands the improvised scaffold to access the roof

 

There are no timber dowels used is securing the joints in the timber work. All fixings originally were mechanical, these being Rosehead nails in this instant. In the case of the repair work carried in the restoration of the hovel mechanical screw fixings have been used. Tight and secure joints were required in the instant of glued scarf repair joints and screws provided the surety of closing a joint precisely and tightly, the joint was then often cleated with marine ply boarding. The ply cleating will be removed once the featheredge boarding is ready to be raised in position and fixed by traditional cut nails.

 

 

View of timber top plate, front and side views, seen resting on the roadside edge of the gable wall. Note the metal strap nailed to the top plate, which runs horizontally within the interior brick course of gable wall set within the mortar bed and running to the opposite timber top plate on the landside of the building. This feature so tying together these two timbers and securing in position to the gable wall. Third photograph shows timber stud sole plate with identical feature. Notice the end of the timber sole plate is recessed into the brickwork.

 

View of timber top plate to timber stud wall and purlin. Note new timber pieces scarf jointed to existing and sat within pitch angle of brick gable. Second photo shows view from below. Photo three shows detail view from above of scarf joint in progress to timber top plate, rotten timber is cut at 45° away from existing top plate resting on gable wall at west elevation. Fourth photo shows chamfered external edge to assist fixing of sarking boards to existing top plate. The same is true of the ridge beam, with chamfered edging either side at top face.

 

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First photo shows timber gable corner post, seen exposed on a hovel found alongside Lenchwick Lane Note the 5" high mortise opening as noted by blue circle, for housing the tenon on absent horizontal timber header piece. Second photo shows original same post with cleated new lower piece belonging to the subject hovel. See also same mortise opening three quarters up the length of the post and noted by blue circle. Photo taken during replacement installation along with timber sole plate to stud walling, on building's east elevation. The location of this header tenon mortise joint is noted by the blue circle in the last larger photograph. Third photo showsthe over length sole plate with lap joint cut out for the gable end sole plate. Above is the east elevation corner post showing tenon at bottom. At this point in time it is not known if the post tenon is part of the original design, no reference has been seen. In hindsight it appears a cluttered junction of joints, it may have been a smaller square stub tenon used, it is possible this post was simply nailed in position to the sole plate, as was the decision taken for joining the west elevation corner post to the sole plate. For installation, the sole plate will be bolster hammer driven along top of top course of dwarf wall, towards brick gable end, thus closing together the tenon pieces of the post and mortise openings in top wall and sole plates. Fourth photo shows timber gable end in progress, replacement timber is noted by the lighter colour. Notice the new horizontal header piece in position. To assist the removal of the twist in the original timber framework and keep the header piece tenons in tight position within the mortise openings in the two corner posts, a temporary diagonally placed tightening strap is positioned from the top plate on the roadside, being north-east side of the building. This position is the photograph is found at top of the ladder through the building sloping downwards to the second post in the field, right on south-west side of building, it is evident morso in the last larger photograph.

First and second photos shows repairs to roof ridge beam. Notice chamfered edges either side of top face for sarking board to rest firmly against for fixing. Third photo shows the end of ridge beam against brick gable end, originally this end would have been recessed into brickwork about an inch as the gable end was built. Consequently, enough was chiselled out of the present new brickwork to house the ridge beam to the vertical pencil mark shown at the ridge end.

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First two photographs show view from outside building on west side with boarding removed, being the landside elevevation of the hovel. These photographs show a lap-joint consisting of the sole plate to the interior partition stud and panelled timber screen: see blue circle. The top piece of the lap joint belonging to the interior soleplate, sits within the cut out of the perimeter sole plate. This feature is found between stable and main room door frames. Third photo taken from the east side, the roadside of the building, shows timber sole plate with panelled screen and partial remains of lap piece, again noted by blue circle.

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Detail of mortice and tenon joint, found at the meeting of the soleplate to the right door post to main room at the west elevation. Notice tenon piece is positioned a third away from the inside edge of the soleplate, not centred in the middle of the top face of the soleplate.

 

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First photogrpah shows timber bridge support, found at the west elevation and is to carry the 45 degree sloping end of the top plate to internal timber panelled partition screen. This feature is found above the preceding illustrated timber lap joint to the sole plate. The bridge support piece shows pronounced notches either end to position piece into recessed cut outs in posts, see secondand third photographs. Notice angled cut two thirds along bridge piece to receive 45 degree cut on end of top plate, see blue circle. The Second and third photos with blue circle, show cut outs in timber stud posts either side of the internal timber panelled screen. Fourth photo viewed from outside shows bridge piece in position, see within blue oblong. Fifth photo viewed from inside main room in hovel, shows timber screen top plate and screen in position resting on bridge piece before dismantling. Sixth photo shows the bridge piece from the stable side view and notched into the stable door post above door header piece, again as noted bt blue circle.

 

Photo 1. View from inside stable shows remnants of manger found on east elevation of building. Above is the hay loft and directly above manger is a hatch in the timber boarded floor to the hayloft for hay to drop straight into manger.

 

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Photo shows east elevation with progress to the reinstatement of timber studwork. See timber pylons with diagonal supports still in place either side of the hovel. These two timber pylons were adapted to then make the improvised two tower scaffold.

 

View of the completed framework from the north-west. See the repaired and cleated lowers of the timber stud uprights. On the far side of the hovel is the scaffold.