Specialty Windows | Technical Resources

ADDITIONAL RESOURCES

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Shapes

Grilles

SDL/Grille patterns are dependent on SDL/Grille type. All patterns shown in this catalog are for illustration purposes only – please verify SDL/Grille patterns before confirming your order. Specialty shape units are available in Casement and Picture/Direct Set configurations. Additional sizes beyond those shown here are available. Contact your Authorized Loewen Dealer for assistance.

Specialty Window Wall Connection

Metal Clad - Double Casement 4-9/16 (116mm)

Metal Clad - Triple Picture 4-9/16 (116mm)

All Wood - Exterior Triple Picture 6-9/16 (166mm)

All Wood - Exterior Double Casement 6-9/16 (166mm)

Non Extended Specialty

Metal Clad - Casement (Triple Glazed) 6-9/16 (166mm) Rotogear Mouldings

Metal Clad Picture (Dual Glazed) 4-9/16 (116mm)

All Wood - Casement (Dual Glazed) 4-9/16 (116mm) Push Out Mouldings 2inch Brickmould with Standard Subsill

All Wood - Picture (Triple Glazed) 6-9/16 (166mm) 2inch Brickmould with Standard Subsill

Extended Specialty

Other jamb widths available. All dimensions to have +/- 1/16” (2mm) tolerance.

Window Sizes

Half Round Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
RT 0603	23 5/8 X 11 13/16	24 3/8 X 12 9/16	600 X 300	619 X 319
RT 0735	27 9/16 X 13 3/4	28 5/16 X 14 1/2	700 X 350	719 X 369
RT 0804	31 1/2 X 15 3/4	32 1/4 X 16 1/2	800 X 400	819 X 419
RT 0945	35 7/16 X 17 11/16	36 3/16 X 18 7/16	900 X 450	919 X 469
RT 1005	39 3/8 X 19 11/16	40 1/8 X 20 7/16	1000 X 500	1019 X 519
RT 1206	47 1/4 X 23 5/8	48 X 24 3/8	1200 X 600	1219 X 619
RT 1407	55 1/8 X 27 9/16	55 7/8 X 28 5/16	1400 X 700	1419 X 719
RT 1608	63 X 31 1/2	63 3/4 X 32 1/4	1600 X 800	1619 X 819
RT 1809	70 7/8 X 35 7/16	71 5/8 X 36 3/16	1800 X 900	1819 X 919
RT 2010	78 3/4 X 39 3/8	79 1/2 X 40 1/8	2000 X 1000	2019 X 1019
RT 2412	94 1/2 X 47 1/4	95 1/4 X 48	2400 X 1200	2419 X 1219
RT 2613	102 3/8 X 51 3/16	103 1/8 X 51 15/16	2600 X 1300	2619 X 1319
RT 2814	110 1/4 X 55 1/8	111 X 55 7/8	2800 X 1400	2819 X 1419
RT 3015	118 1/8 X 59 1/16	118 7/8 X 59 13/16	3000 X 1500	3019 X 1519

Extended Half Round Windows

Unit Sizes
Model Number	Unit O.S.M. (imperial)	Rough Opening (imperial)	Unit O.S.M. (metric)	Rough Opening (metric)
ER 0810	31 1/2 x 39 3/8	32 1/4 x 40 1/8	800 x 1000	819 x 1019
ER 0812	31 1/2 x 47 1/4	32 1/4 x 48	800 x 1200	819 x 1219
ER 0814	31 1/2 x 55 1/8	32 1/4 x 55 7/8	800 x 1400	819 x 1419
ER 1010	39 3/8 x 39 3/8	40 1/8 x 40 1/8	1000 x 1000	1019 x 1019
ER 1012	39 3/8 x 47 1/4	40 1/8 x 48	1000 x 1200	1019 x 1219
ER 1014	39 3/8 x 55 1/8	40 1/8 x 55 7/8	1000 x 1400	1019 x 1419
ER 1016	39 3/8 x 63	40 1/8 x 63 3/4	1000 x 1600	1019 x 1619
ER 1018	39 3/8 x 70 7/8	40 1/8 x 71 5/8	1000 x 1800	1019 x 1819
ER 1212	47 1/4 x 47 1/4	48 x 48	1200 x 1200	1219 x 1219
ER 1214	47 1/4 x 55 1/8	48 x 55 7/8	1200 x 1400	1219 x 1419
ER 1216	47 1/4 x 63	48 x 63 3/4	1200 x 1600	1219 x 1619
ER 1218	47 1/4 x 70 7/8	48 x 71 5/8	1200 x 1800	1219 x 1819
ER 1414	55 1/8 x 55 1/8	55 7/8 x 55 7/8	1400 x 1400	1419 x 1419
ER 1416	55 1/8 x 63	55 7/8 x 63 3/4	1400 x 1600	1419 x 1619
ER 1418	55 1/8 x 70 7/8	55 7/8 x 71 5/8	1400 x 1800	1419 x 1819
ER 1616	63 x 63	63 3/4 x 63 3/4	1600 x 1600	1619 x 1619
ER 1618	63 x 70 7/8	63 3/4 x 71 5/8	1600 x 1800	1619 x 1819
ER 1818	70 7/8 x 70 7/8	71 5/8 x 71 5/8	1800 x 1800	1819 x 1819
ER 2418	94 1/2 x 70 7/8	95 1/4 x 71 5/8	2400 x 1800	2419 x 1819

Quarter Round Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
QR 505	19 11/16 x 19 11/16	20 7/16 x 20 7/16	500 x 500	519 x 519
QR 606	23 5/8 x 23 5/8	24 3/8 x 24 3/8	600 x 600	619 x 619
QR 909	35 7/16 x 35 7/16	36 3/16 x 36 3/16	900 x 900	919 x 919
QR 1010	39 3/8 x 39 3/8	40 1/8 x 40 1/8	1000 x 1000	1019 x 1019
QR 1212	47 1/4 x 47 1/4	48 x 48	1200 x 1200	1219 x 1219
QR 1414	55 1/8 x 55 1/8	55 7/8 x 55 7/8	1400 x 1400	1419 x 1419

Extended Quarter Round Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
EQ 0510	19 11/16 x 39 3/8	20 7/16 x 40 1/8	500 x 1000	519 x 1019
EQ 0512	19 11/16 x 47 1/4	20 7/16 x 48	500 x 1200	519 x 1219
EQ 0612	23 5/8 x 47 1/4	24 3/8 x 48	600 x 1200	619 x 1219
EQ 0614	23 5/8 x 55 1/8	24 3/8 x 55 7/8	600 x 1400	619 x 1419
EQ 0712	27 9/16 x 47 1/4	28 5/16 x 48	700 x 1200	719 x 1219
EQ 0714	27 9/16 x 55 1/8	28 5/16 x 55 7/8	700 x 1400	719 x 1419
EQ 0716	27 9/16 x 63	28 5/16 x 63 3/4	700 x 1600	719 x 1619
EQ 0814	31 1/2 x 55 1/8	32 1/4 x 55 7/8	800 x 1400	819 x 1419
EQ 0816	31 1/2 x 63	32 1/4 x 63 3/4	800 x 1600	819 x 1619
EQ 0818	31 1/2 x 70 7/8	32 1/4 x 71 5/8	800 x 1800	819 x 1819
EQ 0916	35 7/16 x 63 3/4	36 3/16 x 63 3/4	900 x 1600	919 x 1619
EQ 0918	35 7/16 x 70 7/8	36 3/16 x 71 5/8	900 x 1800	919 x 1819
EQ 1016	39 3/8 x 63	40 1/8 x 63 3/4	1000 x 1600	1019 x 1619
EQ 1018	39 3/8 x 70 7/8	40 1/8 x 71 5/8	1000 x 1800	1019 x 1819
EQ 1218	47 1/4 x 70 7/8	48 x 71 5/8	1200 x 1800	1219 x 1819
EQ 1418	55 1/8 x 70 7/8	55 7/8 x 71 5/8	1400 x 1800	1419 x 1819

Elliptical Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
EL 0800	31 1/2 X 9 13/16	32 1/4 X 10 9/16	800 X 250	819 X 269
EL 0900	35 7/16 X 9 13/16	36 3/16 X 10 9/16	900 X 250	919 X 269
EL 1000	39 3/8 X 9 13/16	40 1/8 X 10 9/16	1000 X 250	1019 X 269
EL 1200	47 1/4 X 11 13/16	48 X 12 9/16	1200 X 300	1219 X 319
EL 1400	55 1/8 X 11 13/16	55 7/8 X 12 9/16	1400 X 300	1419 X 319
EL 1600	63 X 13 3/4	63 3/4 X 14 1/2	1600 X 350	1619 X 369
EL 1800	70 7/8 X 13 3/4	71 5/8 X 14 1/2	1800 X 350	1819 X 369

Extended Elliptical Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
EE 0808	31 1/2 X 31 1/2	32 1/4 X 32 1/4	800 X 800	819 X 819
EE 0810	31 1/2 X 39 3/8	32 1/4 X 40 1/8	800 X 1000	819 X 1019
EE 0812	31 1/2 X 47 1/4	32 1/4 X 48	800 X 1200	819 X 1219
EE 1010	39 3/8 X 39 3/8	40 1/8 X 40 1/8	1000 X 1000	1019 X 1019
EE 1012	39 3/8 X 47 1/4	40 1/8 X 48	1000 X 1200	1019 X 1219
EE 1014	39 3/8 X 55 1/8	40 1/8 X 55 7/8	1000 X 1400	1019 X 1419
EE 1212	47 1/4 X 47 1/4	48 X 48	1200 X 1200	1219 X 1219
EE 1214	47 1/4 X 55 1/8	48 X 55 7/8	1200 X 1400	1219 X 1419
EE 1216	47 1/4 X 63	48 X 63 3/4	1200 X 1600	1219 X 1619
EE 1414	55 1/8 X 55 1/8	55 7/8 X 55 7/8	1400 X 1400	1419 X 1419
EE 1416	55 1/8 X 63	55 7/8 X 63 3/4	1400 X 1600	1419 X 1619
EE 1418	55 1/8 X 70 7/8	55 7/8 X 71 5/8	1400 X 1800	1419 X 1819
EE 1616	63 X 63	63 3/4 X 63 3/4	1600 X 1600	1619 X 1619
EE 1818	70 7/8 X 70 7/8	71 5/8 X 71 5/8	1800 X 1800	1819 X 1819

Half Chord Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
HC 0500	19 11/16 X 9 13/16	20 13/16 X 10 9/16	500 X 250	528 X 269
HC 0600	23 5/8 X 11 13/16	24 3/4 X 12 9/16	600 X 300	628 X 319
HC 0700	27 9/16 X 11 13/16	28 13/16 X 12 9/16	700 X 300	731 X 319
HC 0800	31 1/2 X 13 3/4	32 11/16 X 14 1/2	800 X 350	831 X 369
HC 0900	35 7/16 X 13 3/4	36 3/4 X 14 1/2	900 X 350	934 X 369
HC 1000	39 3/8 X 15 3/4	40 11/16 X 16 1/2	1000 X 400	1033 X 419
HC 1200	47 1/4 X 15 3/4	48 3/4 X 16 1/2	1200 X 400	1238 X 419
HC 1400	55 1/8 X 17 11/16	56 5/8 X 18 7/16	1400 X 450	1439 X 469

Extended Half Chord Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
EH 0512	19 11/16 X 39 3/8	20 7/16 X 40 1/8	500 X 1000	519 X 1019
EH 0510	19 11/16 X 47 1/4	20 7/16 X 48	500 X 1200	519 X 1219
EH 0612	23 5/8 X 47 1/4	24 3/8 X 48	600 X 1200	619 X 1219
EH 0614	23 5/8 X 55 1/8	24 3/8 X 55 7/8	600 X 1400	619 X 1419
EH 0712	27 9/16 X 47 1/4	28 5/16 X 48	700 X 1200	719 X 1219
EH 0714	27 9/16 X 55 1/8	28 5/16 X 55 7/8	700 X 1400	719 X 1419
EH 0716	27 9/16 X 63	28 5/16 X 63 3/4	700 X 1600	719 X 1619
EH 0814	31 1/2 X 55 1/8	32 1/4 X 55 7/8	800 X 1400	819 X 1419
EH 0816	31 1/2 X 63	32 1/4 X 63 3/4	800 X 1600	819 X 1619
EH 0818	31 1/2 X 70 7/8	32 1/4 X 71 5/8	800 X 1800	819 X 1819
EH 0916	35 7/16 X 63	36 3/16 X 63 3/4	900 X 1600	919 X 1619
EH 0918	35 7/16 X 70 7/8	36 3/16 X 71 5/8	900 X 1800	919 X 1819
EH 1016	39 3/8 X 63	40 1/8 X 63 3/4	1000 X 1600	1019 X 1619
EH 1018	39 3/8 X 70 7/8	40 1/8 X 71 5/8	1000 X 1800	1019 X 1819
EH 1218	47 1/4 X 70 7/8	48 X 71 5/8	1200 X 1800	1219 X 1819
EH 1418	55 1/8 X 70 7/8	55 7/8 X 71 5/8	1400 X 1800	1419 X 1819

Full Chord Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
FC 0800	31 1/2 X 9 13/16	32 11/16 X 10 9/16	800 X 250	830 X 269
FC 0900	31 1/2 X 9 13/16	36 3/4 X 10 9/16	900 X 250	934 X 269
FC 1000	39 3/8 X 9 13/16	40 13/16 X 10 9/16	1000 X 250	1037 X 269
FC 1200	47 1/4 X 11 13/16	48 11/16 X 12 9/16	1200 X 300	1237 X 319
FC 1400	55 1/8 X 11 13/16	56 13/16 X 12 9/16	1400 X 300	1444 X 319
FC 1600	63 X 13 3/4	64 11/16 X 14 1/2	1600 X 350	1643 X 369
FC 1800	70 7/8 X 13 3/4	72 3/4 X 14 1/2	1800 X 350	1848 X 369

Extended Full Chord Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
EF 0808	31 1/2 X 31 1/2	32 1/4 X 32 1/4	800 X 800	819 X 819
EF 0810	31 1/2 X 39 3/8	32 1/4 X 40 1/8	800 X 1000	819 X 1019
EF 0812	31 1/2 X 47 1/4	32 1/4 X 48	800 X 1200	819 X 1219
EF 1010	39 3/8 X 39 3/8	40 1/8 X 40 1/8	1000 X 1000	1019 X 1019
EF 1012	39 3/8 X 47 1/4	40 1/8 X 48	1000 X 1200	1019 X 1219
EF 1014	39 3/8 X 55 1/8	40 1/8 X 55 7/8	1000 X 1400	1019 X 1419
EF 1212	47 1/4 X 47 1/4	48 X 48	1200 X 1200	1219 X 1219
EF 1214	47 1/4 X 55 1/8	48 X 55 7/8	1200 X 1400	1219 X 1419
EF 1216	47 1/4 X 63	48 X 63 3/4	1200 X 1600	1219 X 1619
EF 1414	55 1/8 X 55 1/8	55 7/8 X 55 7/8	1400 X 1400	1419 X 1419
EF 1416	55 1/8 X 63	55 7/8 X 63 3/4	1400 X 1600	1419 X 1619
EF 1418	55 1/8 X 70 7/8	55 7/8 X 71 5/8	1400 X 1800	1419 X 1819
EF 1616	63 X 63	63 3/4 X 63 3/4	1600 X 1600	1619 X 1619
EF 1618	70 7/8 X 70 7/8	71 5/8 X 71 5/8	1600 X 1800	1619 X 1819
EF 1818	70 7/8 X 70 7/8	71 5/8 X 71 5/8	1800 X 1800	1819 X 1819

Full Round Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
FR 0606	23 5/8 X 23 5/8	24 3/8 X 24 3/8	600 X 600	619 X 619
FR 0808	31 1/2 X 31 1/2	32 1/4 X 32 1/4	800 X 800	819 X 819
FR 0909	35 7/16 X 35 7/16	36 3/16 X 36 3/16	900 X 900	919 X 919
FR 1010	39 3/8 X 39 3/8	40 1/8 X 40 1/8	1000 X 1000	1019 X 1019
FR 1212	47 1/4 X 47 1/4	48 X 48	1200 X 1200	1219 X 1219
FR 1414	55 1/8 X 55 1/8	55 7/8 X 55 7/8	1400 X 1400	1419 X 1419
FR 1616	63 X 63	63 3/4 X 63 3/4	1600 X 1600	1619 X 1619
FR 1818	70 7/8 X 70 7/8	71 5/8 X 71 5/8	1800 X 1800	1819 X 1819

Octagon Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
OW 0606	23 5/8 X 23 5/8	24 3/8 X 24 3/8	600 X 600	619 X 619
OW 0808	31 1/2 X 31 1/2	32 1/4 X 32 1/4	800 X 800	819 X 819
OW 1010	39 3/8 X 39 3/8	40 1/8 X 40 1/8	1000 X 1000	1019 X 1019

Oval Windows

Unit Sizes
Model Number	Unit O.S.M. (Imperial)	Rough Opening (Imperial)	Unit O.S.M. (Metric)	Rough Opening (Metric)
OV 7512	29 1/2 X 47 1/4	30 1/4 X 48	750 X 1200	769 X 1219
OV 0914	35 7/16 X 55 1/8	36 3/16 X 55 7/8	900 X 1400	919 X 1419
OV 1275	47 1/4 X 29 1/2	48 X 30 1/4	1200 X 750	1219 X 769
OV 1409	55 1/8 X 35 7/16	55 7/8 X 36 3/16	1400 X 900	1419 X 919