11. The interior space is embellished with decorative timber mouldings to the cornice and tie beams . 12. It has a tie beam roof covered with thatch. 13. The roof to the nave is supported on three crown posts on unbraced tie beams . 14. Below the tie beams another set of longitudinal braces links the bents, parallel to the purlin-plates. 15. The bottom chord of the trusses is a heavy tie beam supported on timber wall brackets. 16. Light fittings now hang from overhead tie beams . 17. The high ceiling is coved, with the tie beams of the roof framing exposed through the space. 18. Plaster tunnel-vault inside with tie beams ." 19. The underlying geology is of Old Red Sandstone overlying marl, and processes of tie beams and buttresses. 20. The form of construction is rare, incorporating timber tie beams at lintel level through the stone work.
