Wall Height Requirements for Direct Mounting (X3-R)

From Garaventapedia

• L dimension is to top of upper rail for placement of 2" x 8" (if required)
• K dimension (wall height) = dimension L plus 35 mm (1 3/8”) - for prevention of concrete breakout from fastener to top of wall.

Stair Angle	15°	20°	25°	30°	35°	40°	45°
Dimension K - Min. Wall Height for Wall Mount
800 x 1050mm Platform (31 1/2" x 41 3/8")	837	908	989	1082	1190	1319	1475
	33”	35 3/4"	39”	42 5/8”	46 7/8”	52”	58”
800 x 900mm Platform (31 1/2" x 35 1/2”)	817	881	954	1039	1138	1256	1400
	32 1/8”	34 5/8”	37 1/2"	41”	44 7/8”	49 1/2"	55 1/8”
700 x 750 platform (27 1/2" x 29 1/2")	797	854	919	996	1085	1193	1325
	31 3/8”	33 5/8”	36 1/8”	39 1/4”	42 3/4"	47”	51 1/8”

Stair Angle	15°	20°	25°	30°	35°	40°	45°
Dimension L - Upper Rail Height
800 x 1050mm Platform (31 1/2" x 41 3/8")	802	873	954	1047	1155	1284	1440
	31 5/8”	34 3/8”	37 1/2"	41 1/4”	45 1/2"	50 1/2"	56 3/4"
800 x 900mm Platform (31 1/2" x 35 1/2”)	782	846	919	1004	1103	1221	1365
	30 3/4"	33 3/8”	36 1/8”	39 1/2"	43 1/2"	48 1/8”	53 3/4"
700 x 750 platform (27 1/2" x 29 1/2")	762	819	884	961	1050	1158	1290
	30”	32 1/4”	34 3/4”	37 7/8”	41 3/8	45 5/8”	50 3/4"

Stair Angle	15°	20°	25°	30°	35°	40°	45°
Dimension M - Lower Rail Height
800 x 1050mm Platform (31 1/2" x 41 3/8")	181	235	292	354	423	501	591
	7 1/8"	9 1/4"	11 1/2"	14"	16 5/8"	19 3/4"	23 1/4"
800 x 900mm Platform (31 1/2" x 35 1/2”)	161	208	257	311	371	438	516
	6 3/8”	8 1/8”	10 1/8”	12 1/4"	14 5/8”	17 1/4”	20 3/8”
700 x 750 platform (27 1/2" x 29 1/2")	141	180	222	268	318	375	441
	5 1/2”	7”	8 3/4"	10 1/2"	12 1/2"	14 3/4”	17 3/8”