90 Degree Outside Corners

Description – Used to soften outside corners. Prevents chips and dings that inevitably occur with square corners. Eases passage in tight areas.

Main uses – Residential, commercial/hospitality, medical facilities

Sizes – 2” radius up to 24” radius

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Diagram of outside corner

90 Degree Outside Corners (1/2" thick)

Inside RadiusOutside Radius8'10'
2"2 1/2"$55$75
2 3/8"2 7/8"$60$80
3"3 1/2"$65$85
3 3/8"3 7/8"$73$93
4"4 1/2"$80$105
5"5 1/2"$82$107
5 3/8"5 7/8"$83$108
5 1/2"6"$83$108
6"6 1/2"$84$110
7"7 1/2"$84$110
8"8 1/2"$85$111.25
9"9 1/2"$89$113
10"10 1/2"$91$116
11 1/2"12"$96$121
11 7/8"12 3/8"$98$123
12"12 1/2"$99$124
13 1/8"13 5/8"$100$125
13 1/2"14"$105$130
14"14 1/2"$110$137
16"16 1/2"$135$168
18"18 1/2"$160$206
20"20 1/2"$175$218
24"24 1/2"$230$290

90 Degree Outside Corners (5/8' thick)

Inside RadiusOutside Radius8'10'
2"2 5/8"$59$79
2 3/8"3"$63$83
3"3 5/8"$69$89
3 3/8"4"$76$96
4"4 5/8"$84$110
5"5 5/8"$86$112
5 3/8"6"$87$112
5 1/2"6 1/8"$87$112
6"6 5/8"$88$115
7"7 5/8"$88$115
8"8 5/8"$89$116.25
9"9 5/8"$91$119
10"10 5/8"$94$121
11 1/2"12 1/8"$98$125
11 7/8"12 1/2"$101$128
12"12 5/8"$102$129
13 1/8"13 3/4"$104$131
13 1/2"14 1/8"$109$136
14"14 5/8"$112$140
16"16 5/8"$137$171
18"18 5/8"$166$209
20"20 5/8"$177$221
24"24 5/8"$233$293

–  Outside corners have drywall paper on the convex face, unfinished concave face

– As standard corners have a 2 ¼” flat coming off the curve. For maximum corner strength, double up the stud as shown and meet the drywall half way across the second stud. This makes finishing easier by avoiding floating out a butt on a curve.

– Typically only the end studs are needed. Since the curves are pre-formed, it is not necessary to add multiple studs along the curve to form the drywall around. For radius 12” and above, additional studs should be added at roughly 16” centers to maintain support.

– It is easier to install curved sections first and then butt the flat drywall up too them.

– If you need to cut to length, the easiest way is on a table saw. You can cut with a knife but unlike drywall, you have to cut all the way through both faces. You can’t cut one face and snap like drywall.